DNA from cigarette helps identify teenager’s killer nearly 44 years after her death

By Maria Aguilar Prieto, CNN (CNN) — More than four decades after a teenager was murdered in California, DNA found on a discarded cigarette has helped authorities catch her killer. Sarah Geer, 13, was last seen leaving her friend’s house in Cloverdale, California, on the evening of May 23, 1982. The next morning, a firefighter