The case of Kenneka Jenkins, who vanished from a hotel party in Chicago after going live on Facebook, with her body found in a freezer 24 hours later.

The account of Lesandro Junior Guzman-Feliz's brutal murder at the hands of a gang brandishing machetes.

Sixteen-year-old Kedarie Johnson, a gender fluid teenager, is found shot dead after walking home from a friend's house.

Jerika Binks, 24, vanished while out on a Sunday morning run in American Fork, Utah, and her family and authorities searched for a year, but found no trace.

Mujey Dumbuya left her home to catch the bus for school and vanished; her family reported her missing, but Mujey was classified as a runaway by authorities. Days later, her body was found in a wooded area 70km from her home.

Sarah Stern's car is discovered with the keys in the ignition, but she is nowhere to be found. Police initially suspect suicide, but Sarah withdrew thousands of dollars in cash.