SAN FRANCISCO—On Sunday, May 31, a male body was discovered in the waters of the San Joaquin River Delta in Isleton, California. The Contra Costa County Sheriff’s Office Marine Patrol Units responded to the area to assist the Sacramento County Sheriff’s Deputies recover the body from the water.

On Thursday, May 28, the Contra Costa County Sheriff’s office received a missing person’s report of a man who had gone into the waters of the San Joaquin River. That individual was 27-year-old San Francisco resident and restaurant manager, Umut Felik. According to police, Felik had gone swimming in the San Joaquin River and started having trouble staying above water. At one point, he went underwater and never resurfaced, leading the friends he came with to search for him. When Felik’s friends could not locate him by boat, they contacted authorities and reported him missing.

Multiple agencies responded to the scene, including the Contra Costa County Sheriff’s Marine Patrol Unit, Solano County, Sacramento County, San Joaquin County, and the United States Coast Guard. They searched the waters for Felik, but were unable to find him and suspended the search at approximately 8:00 p.m. on May 28. The Sacramento County Sheriff’s and the Contra Costa County Sheriff’s Marine Patrol Units continued to search for Felik for two days, May 29 and May 30.

All three searches did not lead to the discovery of Felik. The body discovered on May 31 was turned over to the Sacramento County Coroner’s Office. His identity has not yet been released to the public.

Anyone with any information about the incident to asked to contact the Contra Costa Sheriff’s Office Marine Patrol Unit at (925) 427-8507.