Albert later confessed to being the Boston Strangler . Authorities never definitively linked DeSalvo to the killings . He was never charged in those crimes , and he was killed in prison in 1974 . Those tests had been unable to find a match between DeSalvo family DNA and the killings , but Conley discounted them Thursday because they were n't conducted by law enforcement . Authorities say they have linked DeSalvo to one murder .
Albert later confessed to being the Boston Strangler . Authorities never definitively linked DeSalvo to the killings . He was never charged in those crimes , and he was killed in prison in 1974 . Authorities say they have linked DeSalvo to one murder .