Investigation into VTA gunman Samuel Cassidy ongoing
Law enforcement officials announced Thursday that Samuel Cassidy, the VTA employee who opened fire and killed nine of his colleagues Wednesday morning, used a timer to set his house on fire at the exact same time he began the shooting. KTVU's Tom Vacar reports on Thursday's developments and the continued investigation at Cassidy's residence.
Top Videos
Investigation into VTA gunman Samuel Cassidy ongoing
Earthquake swarm strikes South Bay
CHP begins Thanksgiving holiday enforcement
Black Friday deals curbed by tariff-driven costs
Navigating holiday travel as a non-citizen
Laney College to make security upgrades
Officers detain teens with BB gun
Man receives 2 life sentences for brutal beating of "Grandma Huang"
Foster City man arrested in wife's cold case killing
Celebrating Native Culture: Oakland's Intertribal Friendship House
Older drivers' confidence plummets around age 70
Most Watched
Trump-Zelenskyy Oval Office confrontation
Woman sought after kicking dog in Pittsburg
Patient files lawsuit Kaiser Permanente, alleges sexual assault during surgery
Trump marks 30 days in Oval Office | West Coast Wrap
Gas prices climb in California while they fall in other states
Hundreds of NOAA scientists fired
Arrests and guns seized in probe of Oakland carjacking tied to pot dispensaries
Protesters work to disrupt ICE raid | West Coast Wrap
San Jose teen killed by alleged gang members for wearing red
