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 0:29 Simi Valley woman stabbed to death in front of her children 1:19 Security guard stabbed on Metrolink train near Acton 1:34 Four year anniversary of Iskander brothers killed in Westlake 2:28 Police presence increased after wave of stabbings in Long Beach 1:17 Line Fire flare-up forces new evacuation in San Bernardino County