Newly released body camera video shows authorities' response to the Santa Clara Valley Transportation Authority facility shooting that killed nine people May 26.

The newly released footage shows moments when Santa Clara County Sheriff's Deputies entered the facility amid gunfire.

Newly released body camera video shows the moments deputies responded to last week’s mass shooting in San Jose, California.

Investigators found multiple cans of gasoline, 12 firearms and more than 20,000 rounds of ammunition at the home of Sam Cassidy, who killed nine of his co-workers Wednesday.

Nine men were gunned down in San Jose, California, in the latest mass shooting in America.

The nine people who died from the shooting rampage at the California light rail facility have all been identified as employees of the Valley Transportation Authority.

Sources confirm a Wall Street Journal report that U.S. customs officers had detained Samuel Cassidy after a 2016 trip because he had “books about terrorism,” according to a Homeland Security memo.

VTA employee Kirk Bertolet said the gunman appeared to target specific coworkers.

What’s next in the investigation after a gunman killed nine people at a California transportation hub.

Nine people, including alleged gunman Samuel Cassidy, were shot to death at the Santa Clara Valley Transportation Authority light rail yard in San Jose, California, on Wednesday morning.

Sources tell ABC News that Samuel Cassidy likely had access to multiple guns registered to him and allegedly tried to burn his house down before the shooting.

Nine people were shot to death at a San Jose light rail yard on Wednesday morning, authorities said.

San Jose Mayor Sam Liccardo provides an update on the VTA rail yard shooting and discusses whether any gun control measures could address the threat of gun violence.

The shooting occurred at the Santa Clara Valley Transportation Authority in San Jose, California, on Wednesday morning. The suspect, a VTA employee, died from an apparent self-inflicted gunshot.

A bomb squad had to clear the area after explosives were found, while a house fire nearby is believed to be connected to shooter.

Authorities said the situation is contained after a gunman opened fire at a transportation facility.

The suspect is "down," according to authorities.

Eight victims are dead after a gunman opened fire at a Santa Clara Valley Transportation Authority facility. The suspect is also deceased.

Laura Maciel pulled into a parking lot nearby when she heard shots ring out from the transit facility.

Principal deputy press secretary Karine Jean-Pierre said the White House is in contact with local officials as the investigation continues.

Authorities say a nearby house fire is connected while a bomb squad was working to clear the Santa Clara Valley Transportation Authority facility after explosives were found.

Authorities say Samuel Cassidy had multiple weapons when he opened fire at a union meeting at the Santa Clara Valley Transportation Authority facility.

Preliminary information indicates there are multiple fatalities, including the suspected shooter.

"We are in a very dark moment," Mayor Sam Liccardo said.