Lisa Ling meets two convicted female killers to explore what led them to their crimes, and the unique circumstances that connect the women who commit murder.

Lisa Ling attends the country's largest swingers party in New Orleans and learns how the swinging lifestyle is evolving into a movement for total sexual freedom.

In the weeks leading up to New Year's Eve, Lisa Ling embeds with the NYPD to find out what it takes to keep NYC safe from terror threats.