December 6, midnight: Benson Imbatu and his fellow officers decide to end their night patrol. The commander of the civilian police patrol car directs the officers to meet in the office at 6am the following morning
December 7, 12.30am: Imbatu and his girlfriend, identified as Carol, get to their rented house in Kangemi's Mountain View Estate after she closes a bar the couple co-owns
1am: Gunshots are heard from Imbatu's house. A neighbour informs officers at the Kabete Police Station. A few minutes later, the couple’s house catches fire. Imbatu is later seen parked outside the Kabete Police Station in a white Probox
1.30am: The Kabete Police Station informs the Nairobi Area Control Room of the incident. Officers from the Nairobi Area Crime Intelligence Bureau are deployed to help track down Imbatu
1.45am: Officers manning a roadblock near the Kabete Police Station join the hunt for Imbatu, who by this time had shot a deejay and a bread distributor 200 metres from the station. Imbatu begins to walk home and comes across two boda boda riders responding to a distress call, and shoots them and a pillion. He begins to fire indiscriminately
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3am: Imbatu shoots himself after police officers and boda boda riders corner him.
In total, he discharges 26 bullets