California May 23, 2018 6:21 pm Ex-Marine Convicted of First-Degree Murder in SoCal Serial Killings An ex-marine was convicted of first-degree murder in SoCal serial killings. Vikki Vargas reports for the NBC4 News at 5 p.m. on May 23, 2018. US & World Videos 3:11 LA Metro poised to have more uniformed officers at Metro stations 1:58 11-year-old girl to become youngest Irvine Valley College graduate 1:00 Teams who have never won an NBA championship, T-Wolves' chances at making history 1:16 Own an iPhone? You could be eligible for a payout as part of a $35 million settlement 1:54 WATCH: Animals snack on cicadas at Chicago zoo