A female police officer attached to Kiminini police station shot her husband and then turned the gun on herself after a domestic squabble on Sunday morning.
The rogue cop, identified as Dorcas Chebet, went into their house armed with a gun and confronted her husband, who is also a police officer.
She then locked the door from inside and shot him dead, before turning the gun on herself.
Neigbours alerted police after hearing gunshots.
Police broke the door and found them lying in a pool of blood.
Homicide detectives who checked their last phone conversations established that Chebet had been accused by her husband of infidelity.
The sleuths also established that she had threatened to commit suicide after her husband confronted her with infidelity allegations.
Below are photos of the deceased cop.