Cold Case
Really long but fascinating article from Vanity Fair on a true-life LAPD cold case mystery:
Sherri Rasmussen’s Murder: Tracing the Shocking Resolution to a 23-Year-Old Cold Case

He had to wonder about the competence of these detectives. The apartment showed signs of a protracted fight. Mayer estimated that the struggle may have lasted for an hour and a half. How could his daughter have fought off two men for that long?, Nels asked. There was the bite mark on her forearm, which led Mayer's partner, Steve Hooks, to conjecture that the suspect may have been a woman, on the theory that women are biters. But the notion was dismissed.

Can't help but think that this would make a great movie.  Screenwriters: to your typewriters!