The Directorate of Criminal Investigations (DCI) is seeking a 14-day court order to detain Beatrice Wangari, the prime suspect in the death of veteran consultant obstetrician and gynaecologist Dr Job Obwaka. The DCI, alongside the Office of the Director of Public Prosecutions (ODPP), is investigating a possible poisoning case and the offence of murder, contrary to Sections 203 and 204 of the Penal Code. The application for extended detention was presented before Kibera Magistrate Barbara Akinyi on May 4, 2026, as investigators work to piece together crucial evidence in what they describe as a complex matter.

According to an affidavit filed by Sergeant Rhoda Nzioka of the DCI Headquarters Homicide Investigations Department, Dr Obwaka and Wangari had been long-term lovers. Fresh details reveal they were secret long-term lovers who shared a meal and became intimate hours before his death. On May 1, 2026, Dr Obwaka drove himself from Nairobi to Kitengela to visit Wangari at her residence in Milimani, Kajiado County. He parked his black Mercedes-Benz at the basement of OBC Mall, where Wangari picked him up in her Volkswagen Tiguan, and they proceeded to her home at Olive Court.

Once at the residence, Wangari prepared a meal that Dr Obwaka consumed. Shortly after, he requested to rest in the master bedroom, where Wangari later joined him. It was then that Dr Obwaka's condition rapidly deteriorated. Wangari reportedly sought help from her neighbour, Shadrack Korir, who found Dr Obwaka lying unresponsive on the bed, dressed in a white vest and black trousers, with his eyes closed. Korir immediately contacted WOBS Emergency Care ambulance services.

Paramedics Toiler Chepkirui Maritim and driver Stanley Nderitu Mwangi responded, finding Dr Obwaka with a weak pulse rate and low oxygen levels. They performed CPR, administered oxygen, and swiftly transported him to Nairobi Hospital. Despite the medical team's best efforts, doctors were unable to save him, and he was tragically documented as Brought In Dead (BID). The incident was subsequently reported at Kilimani Police Station at 10:00 pm the same night, under OB 63/01/05/2026.

Following the report, investigators executed a search at Wangari’s residence, recovering several items central to the murder probe. These included two plates, one spoon, a water glass, assorted drugs, a blanket, a bedcover, a wet shawl, a 750ml bottle of half-consumed Robertson Winery, and a 187ml bottle of Stone Dale. All these items were found unwashed with food stains in the kitchen sink and are now awaiting escort to the Government Chemist for comprehensive toxicological analysis to establish the exact cause of death. Sgt Nzioka highlighted the complexity of the case, given the relationship between the suspect and the deceased. The court was also informed that Wangari, a single mother of two, is yet to undergo a mental assessment. The prosecutor argued that while Wangari has a right to bail, the circumstances surrounding the matter place her life in potential danger, supporting the state’s request for continued custodial orders.