Officials : Anthony DeSalvo 's DNA matches evidence from a Boston Strangler killing . The victim was 19 when she was raped and murdered in her apartment in 1964 . Comment: The evidence was taken after Mary Sullivan , 19 , was sexually assaulted and strangled to death on January 4 , 1964 , in her Charles Street apartment in Boston . His body was exhumed this month so a DNA sample could be extracted .
Officials : Anthony DeSalvo 's DNA matches evidence from a Boston Strangler killing . The victim was 19 when she was raped and murdered in her apartment in 1964 . Comment: His body was exhumed this month so a DNA sample could be extracted .