The Brief Jeffrey Bryce McMaster, 44, died at Santa Rita Jail on June 6 of a medical emergency. He was charged with murder in February. He is the third person to die at Santa Rita Jail in 2026. DUBLIN, Calif. - A 44-year-old Oakland murder suspect suffered a seizure at Santa Rita Jail and then died days later while using the restroom of a cell, according to the Alameda County Sheriff's Office – the second in-custody death at the facility in a week.