IGO, Calif. -

The Tehama County Sheriff's office says a murder, pursuit, and day-long manhunt Thursday all started as a medical marijuana robbery.

Deputies had received a report at 8:47 a.m. Thursday that a vehicle had pulled into a driveway with a passenger who had been shot. They located the vehicle driving into Red Bluff and the passenger was found to be injured. Live-saving efforts were attempted, but he died.

Investigators soon learned the incident started at a residence in the 15800 Block of Hwy 36W, west of Red Bluff, and appeared to involve an armed robbery of a medical marijuana growing operation.

During the armed robbery, the victim/property owner was reportedly shot while he attempted to flee.  The suspects then fled the property in a small sedan.

Officers from the California Highway Patrol spotted a similar vehicle in the Igo Area of Shasta County at about 10:24 a.m. A high-speed pursuit ensued, and the suspect vehicle crashed. Two subjects were taken into custody on unrelated charges from the vehicle. They've been identified as Alan Doulphus, Jr., 26, and Chase Doulphus, 23, both of Fresno. A third subject fled the vehicle on foot.

That subject was identified as Roger Bounnhaseng, 31, Fresno.

Shortly before 5 p.m. Thursday, Shasta County Sheriff’s deputies located a subject believed to be Bounnhaseng walking in the Igo area of Shasta County near the location of the collision. He was taken into custody without incident.

The identity of the victim hasn't been released, nor have exact charges.