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The City of Berkeley Monday announced a $15,000 reward for information leading to the arrest and conviction of the suspect charged with murdering a Richmond man in West Berkeley. 

Bay Area Crime Stoppers is offering an additional $2,000 reward. 

Berkeley police responded to a stabbing at around 7:40 p.m., Feb. 11 on the 2100 block of Curtis St. Patrol officers found the victim, Michael Mayfield of Richmond, with a stab wound to his chest near Allston Way and Curtis Street,  

Berkeley Fire Department paramedics rushed Mayfield to the Alameda County Hospital where he later succumbed to his injuries. 

Police are still searching for the suspect, 22-year-old Kevin Aaron Alvarado of Berkeley who they describe as a known member of the West Side Berkeley gang and consider “armed and dangerous.” Police have already arrested Robert Charles Briggs, 43, for his involvement in the case. 

Briggs, another Berkeley resident, was charged with assault with a deadly weapon and an accessory to murder. 

Detectives are asking for the community’s help with the investigation. Anyone who might have any information on the crime is urged to call the BPD Homicide Detail at 981-5741 or 981-5900. Callers who wish to remain anonymous can call the Bay Area Crime Stoppers line at 1-800-222-8477.