HomeLocalSan Jose gunman’s co-worker worried he would ‘go postal,’ employee file revealsSan Jose gunman’s co-worker worried he would ‘go postal,’ employee file revealsFri, June 11, 2021SHARE NOW A co-worker of San Jose gunman Sam Cassidy was left unnerved following a January 2020 confrontation with him, according to the gunman’s workplace disciplinary records, which were released Thursday.