The Hispanic male victim was transported to Arrowhead Regional Medical Center. He was pronounced dead at the hospital.
Homicide investigators from the sheriff's department determined during questioning that the deceased male lived at the residence. Investigators believe his roommate, Effren Martinez, was the shooter. Investigators think Martinez shot his roommate, then called to report a false home-invasion robbery.
Martinez was arrested for murder and cultivation of marijuana and was held without bail.
If you have information related to the case, you're asked to call sheriff's investigators at (909) 387-3589.
