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Thursday, 23 July 2026
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Thursday, 23 July 2026
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Namibian press · Person

Abner Mateus

Also known as: Abner Mewiliko Mateus

Former police officer accused of masterminding the October 2026 acid attack and murder of prosecutor Justine Shiweda, and allegedly leading an N$2.1 million Sanlam insurance fraud scheme.

2026-01-082026-07-23

What’s been said

Key points drawn from coverage. Tap a point to see the original sentence.

  1. May 2026
  2. The Namibian

    Abner Mateus is accused of masterminding the shooting attack on prosecutor Justine Shiweda

    Source

    The prosecutor further alleged that Abner Mateus, who is accused of masterminding the shooting attack on prosecutor Justine Shiweda, fraudulently obtained N$125 000 from the insurance company.

    Ex-nurse accused of swapping lab results in N$1,2 million insurance claim
  3. Namibian Sun

    Abner Mateus is alleged to have been named by investigators as central figure in murder investigation linked to Justine Shiweda

    Source

    The broader case has also surfaced in investigations linked to the murder of former control prosecutor Justine Shiweda, with Mateus repeatedly named by investigators as a central figure in both matters.

    Amwaalwa denies links to alleged Sanlam fraud syndicate
  4. The Namibian

    Abner Mateus is accused of masterminding the attack on and shooting of prosecutor Justine Shiweda

    Source

    Mpinge, a cleaner at Onandjokwe Hospital, has also been linked to Abner Mateus, who is accused of masterminding the attack on and shooting of Ondangwa control prosecutor Justine Shiweda in October last year, who subsequently died.

    Ex-Onandjokwe nurse says fraudulent Sanlam payout bought his mother Christmas food
  5. Namibian Sun

    Abner Mateus is said to be the mastermind behind the attack on Shiweda

    Source

    The court heard that Nuuyoma allegedly facilitated fraudulent payouts of approximately N$1.2 million linked to Claudia Martin, as well as a further N$69 000 allegedly linked to Abner Mateus, who is said to be the mastermind behind the attack on Shiweda.

    Four more suspects arrested in widening Sanlam fraud probe
  6. April 2026
  7. The Namibian

    Abner Mateus allegedly financed acquisition of properties for Shikwaya

    Source

    Kangira said the state has evidence indicating Mateus financed the acquisition of the properties and that Shikwaya transported building materials from Windhoek to Oniipa for construction in the Oshikoto region.

    Murder accused Shikwaya linked to five properties
  8. The Namibian

    Abner Mateus is a former Namibian police officer

    Source

    Shikwaya said his uncle, Abner Mateus, a former Namibian police officer, used his bank account to carry out fraudulent activities without his knowledge.

    Accused tells court he had no knowledge of prosecutor Shiweda attack
  9. New Era

    Abner Mateus is allegedly the mastermind of the attack and paid N$100,000 to those who attacked the prosecutor

    Source

    Mateus, who is also alleged to be the mastermind, is accused of paying N$100 000 to those who attacked the prosecutor.

    Murder accused face corruption charges
  10. March 2026
  11. The Namibian

    Abner Mateus allegedly claimed falsely after hospitalization at Onandjokwe State Hospital

    Source

    Mateus himself is accused of claiming N$125 000 following his alleged false hospitalisation at Onandjokwe State Hospital.

    Ondangwa doctors, nurses implicated in N$1.9m Sanlam fake medical insurance fraud
  12. Informanté

    Abner Mateus is alleged to be the mastermind in the murder case of Shiweda

    Source

    It is further alleged that it is during this window period that the alleged mastermind in the murder case of Shiweda, Abner Mateus, who is a police officer, made plans to conspire with other accused in the matter to draw up a plan to murder Shiweda, who had reportedly objected to his bail despite efforts to bribe her.

    Bail application of two implicated in magistrate murder case transferred to Ondangwa
  13. February 2026
  14. The Namibian

    Abner Mateus is alleged to be a former police officer and alleged criminal gang leader

    Source

    Shiweda was allegedly attacked after refusing to accept a bribe and granting bail to former police officer and alleged criminal gang leader Abner Mateus.

    PG calls on parents to report children involved in crime
Society

Seventh accused in Shiweda murder case denied bail

The News

Matatias Ndengu, the seventh accused in the killing of Ondangwa prosecutor Justine Shiweda, was denied bail in the Ondangwa Magistrate's Court on Friday. According to a source, Ndengu allegedly travelled from Windhoek to Ondangwa with fellow accused Johannes Nghilifavali on 16 October and brought acid used in the attack on Shiweda on 17 October 2026, and faces six charges including murder under the doctrine of common purpose.

18 July 2026 · The Namibian

Saturday 18 July

  1. Seventh accused in Shiweda murder case denied bail

    Matatias Ndengu, the seventh accused in the killing of Ondangwa prosecutor Justine Shiweda, was denied bail in the Ondangwa Magistrate's Court on Friday. According to a source, Ndengu allegedly travelled from Windhoek to Ondangwa with fellow accused Johannes Nghilifavali on 16 October and brought acid used in the attack on Shiweda on 17 October 2026, and faces six charges including murder under the doctrine of common purpose.

    18 July 2026 · The Namibian

Friday 17 July

  1. Nurse in fraud case accuses detective of unfair investigation

    Former Onandjokwe Intermediate Hospital nurse Festus Amwaalwa, accused in a N$2.2 million Sanlam fraud case, claimed in bail submissions that the investigating officer made him "the sacrificial lamb" while other suspects, including hospital cleaner Hela Mpinge, escaped arrest. Amwaalwa also alleged the detective seized his cellphone without proper cause and viewed private photographs.

    17 July 2026 · The Namibian

  2. Nurse accused in fraud case claims police made him scapegoat

    A former nurse accused in a N$2.2 million Sanlam fraud case told the Ondangwa Magistrate's Court that an investigating officer made him "the sacrificial lamb," claiming a hospital cleaner with alleged ties to the case's alleged kingpin received money but was not arrested. He also alleged the officer seized his cellphone without warrant and viewed private photographs.

    17 July 2026 · The Namibian

Monday 22 June

  1. Two men granted bail in Windhoek prosecutor assassination case

    Two men implicated in the assassination of Ondangwa prosecutor Justine Shiweda were granted bail of N$2,000 each in Windhoek Magistrate's Court. They also face separate charges related to allegedly bribing a police officer to release an inmate, in connection with a conspiracy to murder Shiweda.

    22 June 2026 · Informanté

Sunday 21 June

  1. Murder accused spent allegedly stolen Sanlam funds at KFC, suppliers

    Petrus Shikwaya (22), facing murder charges in connection with prosecutor Justine Shiweda's death and fraud charges tied to an alleged N$2.1 million Sanlam scam, allegedly used part of the fraudulently obtained funds for purchases at KFC and building material suppliers, police told Ondangwa Magistrate's Court during his bail hearing.

    21 June 2026 · The Namibian

Thursday 18 June

  1. Murder suspect allegedly planned court arson and docket theft

    The state alleges that murder suspect Abner Mateus planned to burn down Ondangwa Magistrate's Court and have his docket stolen after failed bail applications, and that he masterminded from prison the murder of prosecutor Justine Shiweda in October. Mateus denies the allegations.

    18 June 2026 · The Namibian

  2. Murder accused Mateus allegedly sought to steal fraud docket

    Police have alleged that murder accused Abner Mateus made several attempts to make a fraud case docket disappear, including recruiting police officers to steal court documents and attempting to bribe the prosecutor. The investigator testified that Mateus had a motive to interfere with justice because he was facing fraud charges stemming from a 2022 case in which he allegedly defrauded a pensioner of N$70 000.

    18 June 2026 · The Namibian

Wednesday 17 June

  1. State alleges money transfer to fugitive in Shiweda murder case

    Prosecutors allege that murder accused Abner Mateus communicated with a fugitive suspect before and after the October attack on prosecutor Justine Shiweda, and that co-accused Petrus Shikwaya transferred N$4,950 to the same suspect minutes after the attack. Shiweda was shot and doused with corrosive acid in Ondangwa and died in hospital in February.

    17 June 2026 · The Namibian

Tuesday 16 June

  1. Acid attack suspect refuses to disclose car purchase fund source

    A man accused of masterminding an acid attack on late Ondangwa prosecutor Justine Shiweda declined to reveal the source of N$40,000 he used to purchase a vehicle that the state claims was used to transport acid used in the October attack. Shiweda died from the attack's injuries in February; the vehicle is central to the state's case.

    16 June 2026 · The Namibian

  2. Murder accused denies involvement in prosecutor's death

    In a bail hearing for his co-accused nephew, murder accused Abner Mateus testified to Ondangwa Magistrate's Court that he is not a murderer and had no intention of killing anyone. Mateus is among six men charged in connection with the death of former Ondangwa prosecutor Justine Shiweda.

    16 June 2026 · The Namibian

Saturday 13 June

  1. Murder accused admits concealing arrest from nephew during custody

    Abner Mateus, a former police officer accused in the murder of Ondangwa prosecutor Justine Shiweda, testified that he deliberately hid from his nephew and co-accused Petrus Shikwaya that he had been arrested and held in police custody since November 2022. Mateus and Shikwaya are among six men accused of orchestrating last October's attack on Shiweda, who was shot seven times and treated with corrosive acid before dying in February.

    13 June 2026 · The Namibian

  2. Murder accused testifies in nephew's bail hearing

    Abner Mateus, accused of masterminding a fatal attack on prosecutor Justine Shiweda, testified in the Ondangwa Magistrate's Court that it would be unfair to keep his nephew and co-accused Petrus Shikwaya in custody. Mateus disputed the state's assertion that it has a strong case against Shikwaya, arguing that Shikwaya's alleged involvement is based only on sending N$1 200 that was purportedly used to buy acid.

    13 June 2026 · The Namibian

Friday 12 June

  1. Emotions flare at Ondangwa Court in murder bail hearing

    Emotions erupted at the Ondangwa Magistrate's Court during a bail hearing for murder accused Petrus Shikwaya when one of prosecutor Justine Shiweda's sisters attempted to confront alleged mastermind Abner Mateus. According to the state, Mateus instructed Shikwaya to send N$1 200 to Petrus Uusiku to buy acid allegedly used in the attack that led to Shiweda's death.

    12 June 2026 · The Namibian

Thursday 11 June

  1. Murder accused allegedly used grandmother's account to launder money

    Petrus Shikwaya (22), accused of orchestrating an October attack on prosecutor Justine Shiweda that led to her death in February, allegedly laundered money through his grandmother's bank account, the Ondangwa Magistrate's Court heard. Shikwaya denied the allegation, claiming his grandmother transferred funds to him to purchase stock for her business.

    11 June 2026 · The Namibian

Thursday 21 May

  1. Hospital intern accused in N$2.1 million insurance fraud scheme

    Kelsey Kudumo, an Onandjokwe Intermediate Hospital intern doctor, faces allegations of participating in an insurance fraud scheme involving falsified medical reports and laboratory results amounting to more than N$2.1 million. The prosecution claims medical records were falsified to support fraudulent insurance claims, with two doctors and a former nurse also linked to the scheme.

    21 May 2026 · The Namibian

Wednesday 20 May

  1. Intern doctor denies role in alleged insurance fraud scheme

    An Onandjokwe Intermediate Hospital intern doctor has denied participating in a fraudulent Sanlam insurance scheme involving falsified medical reports and laboratory results amounting to more than N$2.1 million. The state alleges she worked with medical doctors, a former nurse, a criminal gang leader and 16 others to defraud the insurer by exchanging laboratory results and falsifying medical records.

    20 May 2026 · The Namibian

Tuesday 19 May

  1. Ex-nurse accused of swapping lab results in insurance fraud

    A former Onandjokwe Intermediate Hospital nurse is accused of exchanging laboratory results to facilitate a fraudulent insurance claim of N$1.2 million submitted to Sanlam Namibia in December 2024, allegedly in cohort with two doctors and an intern doctor. The state alleges that N$1.8 million in fraudulent claims were submitted, with portions of funds distributed to the accused and other alleged conspirators.

    19 May 2026 · The Namibian

  2. Former nurse denies knowing alleged Sanlam fraud kingpin

    Festus Amwaalwa, a former Onandjokwe Intermediate Hospital nurse applying for bail, has denied knowing alleged Sanlam fraud kingpin Abner Mateus or involvement in fraudulent insurance claims. State prosecutors allege Mateus recruited Amwaalwa to process fraudulent Sanlam claims amounting to about N$1.9m, but Amwaalwa testified he only met Mateus after their arrests in the investigation.

    19 May 2026 · Namibian Sun

Monday 18 May

  1. Ex-nurse details spending from fraudulent N$1.3 million Sanlam claim

    Former Onandjokwe Intermediate Hospital nurse Festus Amwaalwa testified in Ondangwa Magistrate's Court that he received N$35,000 as a token of appreciation from a fraudulent Sanlam insurance claim involving approximately N$1.3 million, and used part of the money for personal expenses including car repairs, clothes for his children, and Christmas food for his mother. He also testified that additional funds were distributed to other individuals, including intern doctor Kelsey Kudumo (N$20,000), Ottilie Johannes (N$40,000), and Hela Mpinge (N$5,000).

    18 May 2026 · The Namibian

Friday 15 May

  1. Four more suspects arrested in Sanlam insurance fraud investigation

    Four suspects appeared in Ondangwa Magistrate's Court on Friday in connection with a widening Sanlam Namibia insurance fraud probe, bringing total arrests to 17. The accused face allegations of fraud, theft, forgery, uttering, corruption, money laundering and conspiracy, with investigations linked to the murder case of control prosecutor Justine Shiweda.

    15 May 2026 · Namibian Sun

Thursday 23 April

  1. Murder accused Shikwaya denies owning most of five properties

    The state alleges that 21-year-old murder and fraud accused Petrus Shikwaya owns five properties across northern Namibia, claiming his uncle Abner Mateus financed their acquisition; Shikwaya has denied knowledge of most properties but confirmed ownership of a farming unit near Windhoek that he says he bought for N$11,000.

    23 April 2026 · The Namibian

  2. Accused swindled uncle's car linked to prosecutor attack

    The state alleges that murder accused Petrus Shikwaya fraudulently took possession of his uncle's Suzuki vehicle and gave it to co-accused Petrus Uusiku as a reward for buying acid used to attack Ondangwa prosecutor Justine Shiweda on 17 October 2025. Shikwaya denies the allegations, claiming the vehicle was purchased for his uncle at the decision of his uncles.

    23 April 2026 · The Namibian

Tuesday 21 April

  1. Accused in prosecutor attack claims uncle used him without knowledge

    Petrus Shikwaya, 21, testified at his bail hearing that his uncle, former police officer Abner Mateus, used his bank account and sent money through him without his knowledge, including funds allegedly used to buy acid for the attack on prosecutor Justine Shiweda. Shikwaya denied knowing Shiweda or being present during the incident, saying he was in Windhoek at the time.

    21 April 2026 · The Namibian

Thursday 16 April

  1. Charges amended for accused in prosecutor murder case

    The prosecution has amended charges against Petrus Uusiku Pandeni and Kuume Petrus Shikwaya from murder to corruption-related offences following the transfer of their trial back to Windhoek Magistrate's Court from Ondangwa, with the court finding their charges unrelated to the original proceedings. Pandeni and Shikwaya now face conspiracy to commit corruption and corruption charges, while their co-accused Matheus Angula faces corruptly using office for gratification and conspiracy to commit corruption charges, though he still faces a murder charge in Ondangwa.

    16 April 2026 · New Era

Tuesday 14 April

  1. Health ministry awaits police conclusion on hospital fraud case

    The Ministry of Health and Social Services will not take disciplinary action against four nurses, an intern doctor, and a doctor from Onandjokwe State Hospital accused of defrauding Sanlam of about N$1.9 million until police investigations are completed. The 12 arrested individuals are alleged to have helped members of the public claim insurance payouts using fake documents and fake death claims between 2020 and 2024.

    14 April 2026 · The Namibian

Wednesday 18 March

  1. Twelve accused of N$1.9m Sanlam insurance fraud scheme

    Two doctors, several nurses, teachers, intern doctors and health ministry officials are implicated in a fraud scheme involving false medical insurance claims from Sanlam between 2020 and 2024, with accused individuals appearing in Ondangwa Magistrate's Court charged with submitting fraudulent claims. The scheme allegedly involved fake hospitalisations and medical results, with some perpetrators linked to the murder of a prosecutor.

    18 March 2026 · The Namibian

Monday 9 March

  1. Prosecutors' killers case transferred to Ondangwa Magistrate's Court

    Two men accused in the murder of prosecutor Justine Shiweda have had their case transferred from Windhoek to Ondangwa Magistrate's Court to be tried with their co-accused. Eight people have been arrested over the October 2025 attack on Shiweda, which involved shooting and throwing corrosive acid on his body, allegedly linked to his denial of bail to one of the accused.

    9 March 2026 · New Era

Friday 6 March

  1. Bail application in magistrate murder case transferred to Ondangwa

    A Windhoek magistrate has transferred the bail application of two suspects charged with the murder of Ondangwa Prosecutor Justine Shiweda to the Ondangwa Magistrate's Court, rejecting defence requests to withdraw charges despite similar charges being pursued in Ondangwa. A third accused police officer facing graft charges will have his case separated and return to court in March 2026.

    6 March 2026 · Informanté

Friday 13 February

  1. President orders honours funeral for slain prosecutor Shiweda

    President Netumbo Nandi-Ndaitwah has ordered the Namibian Police Force to provide a dignified honours funeral for State Prosecutor Justine Shiweda, who died on 7 February following injuries sustained in an attack in October last year. Her remains arrived in Ondangwa on Thursday, with a memorial service and burial scheduled in her hometown.

    13 February 2026 · Informanté

Wednesday 11 February

  1. State covers medical bills of slain prosecutor Justine Shiweda

    The Ministry of Justice has confirmed it will cover all medical expenses for prosecutor Justine Shiweda, who died in December 2025 following a brutal October attack in which she was shot five times and had acid thrown on her body. The Ondangwa regional control prosecutor spent four months in hospital before succumbing to complications from her injuries; one suspect, a medical doctor, has been charged with murder and conspiracy.

    11 February 2026 · The Namibian

Abner Mateus — Namibian press coverage · Namibia Minute