During the course of the investigation, the suspect has been identified as Charles Welch. Welch is a 37 year old black male with ties to Marin City, Novato, San Francisco, and Santa Rosa. Welch has no known vehicles. Welch is further described as, 6’1” 230lbs. with black hair and brown eyes. Detectives have obtained an arrest warrant for Welch, and he should be considered armed and dangerous.