Man who died in police custody ID’d

A man who died in police custody Sunday has been identified as Guillermo Martinez, a 42-year-old San Diego resident, authorities said Tuesday.

Police took Martinez into custody about 12:45 a.m. after receiving reports of a man who had been causing a disturbance and trying to jump a fence at 30th and Market streets in Grant Hill, San Diego police said.

Martinez had drugs on him and was showing signs of being under the influence, a homicide lieutenant said.

He was taken to police headquarters for processing, and at no time was he uncooperative or was force used, police said.

Upon arrival to the downtown jail, authorities found him unresponsive and not breathing. He was taken to a hospital where he died.

An investigation into his death is ongoing.