Lieutenant Joe Kenda is back, re-opening his “murder books” and sharing details of some of the most disturbing cases that still haunt him today in all-new episodes of Homicide Hunter: Lt. Joe Kenda, kicking off tonight at 10/9c on Investigation Discovery. Now in it’s fifth season, it’s no surprise the series has continued to grip ID addicts: with his slow drawl and no-nonsense demeanor, the 25-year veteran of Colorado’s homicide investigation doesn’t just provide a thrilling narrative –…