February 10, 2020 5:13 pm BART Ambassadors Start Riding Trains, Adding Extra Layer of Security The BART ambassadors — trained civilians who will ride the trains to add another layer of security — began patrolling Monday. Damian Trujillo reports. US & World Videos 0:56 Telemundo 48 hosts Copita Tournament in San Jose 2:00 Families, activists rally amid ongoing Antioch PD racist texting scandal 0:41 Glide Memorial Church honors Rev. Cecil Williams 2:22 Pro-Palestinian protests continue to grow at Bay Area universities 2:24 Pleasanton community gathers to remember family of 4 killed in crash