Lisa Ling takes on a topic most avoid: online pornography and how it is shaping a generation's perception on sex and intimacy.

Lisa Ling gets a rare look inside the Marines' initiative to integrate the men and women in combat training, where they learn to fight and kill.

Lisa Ling explores the inner workings of Mississippi's fastest growing gang, The Simon City Royals, and how some members are walking away from the brotherhood and turning their lives around.

Lisa Ling explores the endless fascination with identical twins and the unfathomable bond shared between them.

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.