DNA Helps Florida Police Make Arrest in 1999 Cold Case Killing | Inside Edition

5:58 PM PDT, September 23, 2018 - Inside Edition Staff

Peggy Thistle and her family have been waiting almost 20 years for justice for her sister, Deborah Dalzell. In 1999, the 47-year-old was found dead in her Sarasota, Florida home. Police say she was sexually assaulted and strangled with a t-shirt. The Sarasota County Sheriff says 39-year-old Luke Fleming is now charged with sexual battery and murder in this case because of groundbreaking DNA technology. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.