Multiple lawsuits have been filed against VTA, the Sheriff’s Office, and Allied Universal, a private security company contracted to protect VTA facilities, from both families of those killed and a former bus driver alleging his post-traumatic stress disorder was worsened by the mass shooting.

A 33-year-old man who works for the Santa Clara Valley Transportation Authority was arrested in connection with the killing of a fellow employee at a San Jose bus yard, authorities said Sunday.

Santa Clara County Sheriff's Office detectives have identified and arrested a man for allegedly shooting at a Valley Transportation Authority facility in San Jose that left one person dead on Friday.

Duc Minh Bui was arrested at his San Jose home around 12:15 p.m. by Santa Clara County Sheriff's deputies. Authorities allege Bui, who also worked at the VTA with the victim, is "solely responsible for the victim's death." The 33-year-old was taken to the Santa Clara County Main Jail and charged with first-degree murder.

Sheriff's detectives are investigating a fatal shooting at San Jose's VTA yard, where one person was pronounced dead.

An unidentified suspect is dead from an officer-involved shooting in Santa Fe, New Mexico State Police said on social media Sunday morning.