Rapid DNA led to finding a Houston man, suspected of killing a coworker in 2000. October 11, 2019 ANAHEIM, CA - A 47-year-old Houston man was behind bars Friday in Anaheim on a murder charge dating back 19 years. Leopoldo Vargas Serrano, who was taken into custody in Texas last month by Immigration and Customs Enforcement agents, is charged with gu...