The First 48 Presents Critical Minutes - All Episodes

Mean Girl Murders explores the inner workings of cutthroat cliques, vicious backbiting and cruel intentions.

Gaining full and unprecedented access to one of the most infamous and secretive hotspots of paranormal and UFO-related activities on earth, The Secret of Skinwalker Ranch will feature a team of scientists and experts who will conduct a thorough search of this infamous 512-acre property located in Utah's Uinta Basin. They will attempt to find out the truth behind more than 200 years of mysteries - involving everything from UFO sightings and paranormal activities to animal mutilations and Native American legends of a shape-shifting creature known simply as The Skinwalker.

The Lowdown follows the gritty exploits of citizen journalist Lee Raybon, a self-proclaimed Tulsa "truthstorian" whose obsession with the truth is always getting him into trouble. 

Who are these women and what drives them to kill? Oxygen's hit true crime series, Snapped, profiles fascinating cases of women accused of murder. Did they really do it? And if they did, why? Whether the motivation is revenge against a cheating husband, the promise of a hefty insurance payoff, or putting an end to years of abuse, the reasons are as varied as the women themselves. From socialites to secretaries, female killers share one thing in common: at some point, they all snapped. Each episode of Snapped chronicles the life of a woman who has been charged with murder. These shocking but true stories turn common assumptions about crime and criminals upside down, and prove that even the most unlikely suspects can be capable of murder.

The border between the USA and Mexico is the busiest in the world. This series follows the work of America's Customs and Border Protection agency, whose job is to defend the border and stop terrorists, drugs and illegal weapons from entering the country.