Mario Gonzalez died in Alameda police custody. April 2021 ALAMEDA, Calif. - The family of a man who died during some sort of "scuffle" with Alameda police is contradicting the official narrative of how he died after a private viewing of a body camera video in the last moments of his life.In an interview on Tuesday morning with KTVU, brother Gerardo Gonzalez and his attorney, Julia Sherwin, said they saw three officers putting their weight on Mario Gonzalez's back on April 19 at the far end of Pocket Park.One of those officers, both said, had his knee on the 26-year-old's neck.The ordeal lasted about five minutes, Sherwin said.SEE ALSO: Vigil held for father, caretaker who died of 'medical emergency' in Alameda police custody"What I saw was.