A 27-year-old night guard was hacked to death in a raid on a wine and spirit shop in Ogembo Town, Kisii County.
Police said the body of Bishop Ayuma Onyango was found lying in a pool of blood long after the murder and robbery.
It emerged that an unknown number of assailants broke into the shop and stole assorted alcoholic drinks valued at Sh30,000.
They later killed the watchman.
No recovery was made and the body was moved to Gucha Sub County Hospital morgue pending autopsy.
Elsewhere, police are investigating an incident in which a 75-year-old man was hacked to death in a village in Baricho, Kirinyaga County.
The body of Caxton Mbuthia was found with multiple body injuries in Kiriti village.
It was found lying dead outside a homestead and a blood-stained fork jembe was recovered from the house where the incident happened.
The jembe was kept as an exhibit, police said.
The body was moved to the mortuary pending autopsy and other investigations.
Police said a suspect is being questioned over the murder.
Elsewhere in Kirwarwa, Muranga County, a man killed his wife aged 42 in a domestic fight.
The body of Elizabeth Njoroge was found lying on the bed with visible injuries in the hands and legs.
It was suspected that the couple had a misunderstanding that led to a fight as household goods were scattered.
The suspect was arrested hours later, police said.
The body was removed to General Kago mortuary pending autopsy.