A member of the National Police Reserve was shot and killed in an attack in Walda, Sololo, Marsabit County.
Police said Wako Abduba was shot by unknown gunmen in an ambush on Wednesday morning.
According to police, a G3 rifle with two magazines and 32 rounds of ammunition were later found on his body.
He had been shot in the back and his motorcycle was found few meters away after the June 18 incident.
His colleague who was missing was found alive few kilometers away.
The area has been facing security challenges amid operations to address the menace.
Two weeks ago, armed raiders struck a village in Loiyangalani, Marsabit County and killed two herders in an incident.
The attackers also injured two other herders as they escaped with an unknown number of shoats after the June 5 incident in Marti area.
Police said the two other injured in the attack are fighting for their lives in the hospital.
A team of police responded to the scene and managed to recover all the shoats as the assailants escaped.
This was after an exchange of fire.
Police said a hunt on the gunmen is ongoing amid rising tension and the possibility of retaliatory attacks.
