The Brief The FBI has joined the Santa Clara County Sheriff's Office in investigating a mass shooting in Morgan Hill late last month, and the federal agency is also offering a $20,000 reward for information leading to the arrest of those responsible. The shooting occurred on July 25 at a birthday bash; one person died and six others were injured. The FBI has joined the Santa Clara County Sheriff's Office in investigating a mass shooting in Morgan Hill late last month, and the federal agency is also offering a $20,000 reward for information leading to the arrest of those responsible. "We are turning up the pressure," Santa Clara County Sheriff Bob Jonsen said at a Wednesday afternoon press conference. The Santa Clara County Sheriff's Office has not identified the streamer or confirmed who organized the event.