The Murders of Mark Harnish & Theresa Marcoux...

In the fall of 2010, Roberta “Bobbie” Miller was starting over. She had a new home in Gilford, New Hampshire, she was back in school, and she was making plans for the life ahead of her. Then, on Halloween weekend, Bobbie and her dog, Sport, were shot and killed inside that home. ...  Show more

Judy Belfrey. Kathy Williams. Holly Davidson. Melodie Stankiewicz. Four young women whose lives crossed the same few blocks of Boston in the 1970s, and whose deaths left investigators with a pattern they could see but never fully explain.The cases unfolded in different places and ...  Show more

January 27th, 2001. Hanover, New Hampshire. Dartmouth professors Half and Susanne Zantop were found stabbed to death in their home. Weeks later, police arrested two teenage boys with no connection to the couple. Their motive remained a mystery for months before the truth came out ...  Show more

When two girls are murdered in a small Indiana town, police are shocked to find a grainy video of the killer on one of their phones… After 5 years, investigators finally “solved” the case, but did they have all the evidence? Did the convicted killer actually do it or is there a m ...  Show more

When a mild-mannered father and his 12-year-old son are shot execution-style inside their Bay Area home, there's no apparent motive. Investigators are puzzled by one of the most unlikely homicides in suburban California history in this episode of Last Seen Alive. If you know anyt ...  Show more