Orange June 7, 2021 11:24 pm OC District Attorney Explains How Aiden Leos' Investigation Led to Arrests Orange County District Attorney Todd Spitzer tells NBC4 how the investigation in capturing Aiden Leos’ killers came about. Robert Kovacik reports at 11 p.m. on June 7, 2021. 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