2016 Boston Marathon (LIVE)

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.

Georgie & Mandy's First Marriage follows Georgie and Mandy as they raise their young family in Texas while navigating the challenges of adulthood, parenting and marriage.

Some of the most amazing, eye-opening and downright scary paranormal videos from around the world are featured as a panel of experts break down the footage and analyze what exactly the eyewitnesses captured.

NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it's a show that focuses on the sometimes complex and always amusing dynamics of a team forced to work together in high-stress situations. Leroy Jethro Gibbs, a former Marine gunnery sergeant, whose skills as an investigator are unmatched, leads this troupe of colorful personalities. Rounding out the team are Anthony DiNozzo, an ex-homicide detective whose instincts in the field are unparalleled and whose quick wit and humorous take on life make him a team favorite; the youthful and energetic forensic specialist Abby Sciuto, a talented scientist whose sharp mind matches her Goth style and eclectic tastes; Caitlin Todd, an ex-Secret Service Agent; and Timothy McGee, an MIT graduate whose brilliance with computers far overshadows his insecurities in the field; Assisting the team is medical examiner Dr. Donald "Ducky" Mallard, who knows it all because he's seen it all, and he's not afraid to let you know. From murder and espionage to terrorism and stolen submarines, these special agents travel the globe to investigate all crimes with Navy or Marine Corps ties.

Harlan Coben's Final Twist brings the top selling mystery author to true crime as he unravels murder cases to expose hidden truths.