The trucker is accused of killing two young Canadians, Jay Cook, 20, and his girlfriend Tanya Van Cuylenborg, 18, in 1987.
Golden State Killer
TAMPA: Detectives used DNA left at crime scenes, combined with genetic information from a relative who joined an online genealogy service, to catch an alleged rapist and murderer who eluded authorities for four decades. The arrest this week of 72-year-old Joseph James DeAngelo -- believed to be the "Golden State Killer" responsible for 12 murders and more than 50 rapes in the 1970s and '80s -- was hailed as a victory for cutting-edge science and old fashioned detective work. "The answer was, and always was going to be,…