What is the longest solved cold case

The black dahlia case led to a lengthy investigation that included a roster of more than 150 suspects.The crime occurred in 1957 but was not solved until 2012, making it the current contender for the oldest solved cold case.The case remained unsolved until 1998, when dna matched semen found on her clothes to edwin dean richardson.The longer a case goes cold, the less likely investigators are to solve it.Outside of these simple facts, any new evidence collected.

She died in 1965, and her family didn't know who killed her for a half of a century.She had been shot in the head.Two decades after his wife's killing, authorities named late ohio business owner edward geddes as the person.It required family members to turn against one of their own and haunted a small town for 55 years.The murder of patricia beard, 1981:

The case of mary agnes klinsky.Beard, 32, at the time was mentally disabled and had not been heard from by family or friends in several days.They stole ricks' car—and his life—but decades would go by before his killer was brought to justice.He was sentenced to life in prison in 2006, and at that point had already been.