Web sleuth Ellen Leach works tirelessly to identify a skull found inside a bucket of cement at a truck stop in Kearney, Missouri. Unbeknownst to her, she is also racing against the clock to provide crucial evidence in a murder trial.

Samson Cree National Violet Soosay has spent her life on a quest to find her missing Aunt Shirley. Meanwhile, researchers from the DNA Doe Project are hunting for the identity of a woman murdered in California. Is DNA the key to unlocking both mysteries?

Firefighter-turned-Podcaster Bob Ruff takes on the case of Ed Ates, a man convicted of the brutal murder of his neighbor in Tyler, Texas. When a caller confesses that they lied on the stand at his trial, can Bob and his army of listeners achieve justice?

When Kalvon Hawkins teenage daughter Keisha is tragically shot dead at a birthday party, he is determined to get justice for his little girl. As the years go by, Kalvon takes matters into his own hands, using social media to smoke out her killer.

Local journalist Silvia Pettem delves into the 50-year-old mystery of Boulder Jane Doe, an unidentified woman murdered in Colorado. Will Silvia find a living relative before it’s too late? Was Jane Doe killed by one of America’s first serial killers?

When struggling laborer Abraham Shakespeare wins a $30m lottery jackpot, it seems like his fortunes have changed for good. But when Abraham suddenly disappears, Tricia Griffiths and her crack team of online forum detectives hunt to uncover the truth.