MURDERED: Yingying Zhang

In the 1980s and early 1990s, a serial predator targeted young girls in the suburbs of Melbourne, Australia. He wore a mask and left little evidence behind. Investigators described him as calm and calculating, earning him the nickname, “Mr. Cruel.” More than three decades later, ...  Show more

In 1981, a Harvard graduate student vanished after stepping out of Logan Airport the night after Thanksgiving. As investigators searched for answers, they focused on a suspect connected to another murder – a woman who was killed just two years earlier. He was convicted in one cas ...  Show more

On August 2, 1998, a United Airlines flight arrived at Washington Dulles Airport from Paris, France. A man emerged from the gate with a young girl who appeared to be in her young teens. The man, a Thai citizen, told immigration officials that the young girl was his niece, and tha ...  Show more

In 2002, a very unlikely witness came forward to give the Everett Washington police some shocking information about a missing person. It was the break investigators had been waiting for — and dreading. The information the witness provided would ultimately lead the police to un ...

In 2011, a young woman opened the door to her place of work, a sporting apparel store in Washington DC, and immediately realized something was wrong. Too afraid to investigate what she saw and heard, she ran from the store and called 911. When police arrived and entered the st ...

37 year old nurse Lisa Skidmore wasn’t feeling very well so didn't go to work and stayed home.

Lisa’s mum Margaret decided to head to Lisa’s house on her way to the shops to see how she was as they lived very close to each other. She let herself into Lisa house just like s ...  Show more