Forensic FilesStagione 13 Sostituisci immagineNumero di episodio48Lights OutOverviewWhoever stabbed the young mother to death had also savagely beaten her four-year-old daughter. Police had a suspect, but not enough evidence to tie him to the crimes. It would take 15 years and advances in DNA technology to bring the killer to justice. Originally aired as Season 13, Episode 47.Air dateJune 11, 2010Runtime (min)25