Between February and May 1971, Juan Corona killed 25 migrant workers with a machete and buried their bodies in crude, shallow graves near Yuba City, California.

Bob Ross spent most of his 20 years in the U.S. Air Force stationed in Alaska, where he fell in love with the scenery and took a life-changing interest in painting.

Cedric Lodge and his wife, along with four others, face charges of conspiracy and transporting stolen goods across state lines.

Researchers believe the synthetic embryos could open up new gateways into embryonic research, but others have raised ethical questions about whether these synthetic embryos could eventually develop into humans.

After being separated from her Sherpa, a woman nearly died on Mount Everest. Fellow climbers found and rescued her, promising one of their own Sherpas that the unconscious woman would pay him a rescue fee. She refused, sparking a social media firestorm.

In February 2010, Tilikum killed his trainer Dawn Brancheau during a performance at SeaWorld Orlando. The incident became the focus of the 2013 documentary Blackfish and sparked public outcry about the mistreatment of captive orcas.

Researchers believe that the dog was a beloved pet, treated well in life and honored in death.

More than three decades after the installation of Kryptos, three of its four coded messages have been cracked — but one remains a mystery.

The owner of the "Rent-A-Hitman" website said he routinely gets suspicious requests and hands them over to the police.

On March 11, 2005, Kevin Berthia spoke with Highway Patrol Officer Kevin Briggs for 92 minutes, ultimately prompting him to step back from the ledge instead of taking his own life.

Discovered in a Neolithic tomb in Italy, the Lovers of Valdaro are a pair of skeletons that have been holding each other for 6,000 years.