San Gabriel Valley May 23, 2018 11:31 am FBI Targets Mexican Mafia in LA Raids Operation Dirty Thirds stems from a federal indictment charging 80 people with racketeering and other crimes. Toni Guinyard reports for the NBC4 News at 11 a.m. on Wednesday May 23, 2018. US & World Videos 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC 1:39 Bicyclist killed in hit-and-run 3:43 Despite encampment's clearing, safety concerns linger at UCLA 4:09 Parents speak out after son's beating at LA juvenile hall
