Santa Clara Valley Transportation Authority member Magdalena Carrasco, right, wipes away tears during a news conference honoring nine colleagues killed by a coworker on Thursday, May 27, 2021, in San Jose, Calif. A gunman who killed nine people at a California rail yard appeared to target some of the victims as he fired 39 shots, a sheriff told The Associated Press on Thursday, a day after his ex-wife said he would stew about perceived slights at work and threatened to kill co-workers a decade ago. (Aric Crabb/Bay Area News Group via AP)
San Jose Mayor Sam Liccardo stops to view a makeshift memorial for the rail yard shooting victims in front of City Hall in San Jose, Calif., on Thursday, May 27, 2021. An employee opened fire Wednesday at a California rail yard, killing eight people before taking his own life as law enforcement rushed in, authorities said, marking the latest attack in a year that has seen a sharp increase in mass killings as the nation emerges from coronavirus restrictions. (AP Photo/Haven Daley)
SAN JOSE, Calif. — A gunman who killed nine people at a California rail yard where he worked appeared to target some of the victims, a sheriff told the Associated Press on Thursday, while a Biden administration official said the shooter spoke about hating his workplace when customs officers detained him after a 2016 trip to the Philippines.