San Jose gunman had 22,000 rounds of ammunition at his house, which sheriff’s office thinks he set on fire

San Jose officials said Friday police were not informed that Sam Cassidy, the gunman who killed nine coworkers this week at a rail yard facility, had been stopped in 2016 by US Customs officers and found to have books on terrorism and a memo book full of hateful writings about his workplace.

San Jose officials said Friday police were not informed that Sam Cassidy, the gunman who killed nine coworkers this week at a rail yard facility, had been stopped in 2016 by US Customs officers and found to have books on terrorism and a memo book full of hateful writings about his workplace.