Videos: Our America With Lisa Ling

One year later, Lisa Ling checks back in with Ashley, a former victim of sex trafficking. With an outpouring of support, Ashley is in a healthy romantic relationship, thriving in college and using her horrific past to help other victims of human trafficking.

Tina, a former teenage sex worker who escaped the world of pimps and their girls, and Lisa go undercover in Washington DC to witness the "rules of the streets" and see if they could identify any young, missing girls.

Regina discusses being a poly mom to her 11 year-old daughter Colleen, and shares the benefits of having multiple partners when it comes to parenting.

15 years ago, David, brother of Unabomber Ted Kaczynski, made the heart wrenching decision to turn in his brother after discovering his crimes. Along with his name now being associated with murder, David has also lost the brother he loved so dearly.

In Spokane, Amber has struggled to get by, living in and out of shelters, in the 12 years since her father was arrested for murdering at least 13 women. Now Amber is getting back on her feet with the help of the Moving Forward program run by the local Good Will with a new apartment and plans to begin nursing school.

Lisa Ling talks to Andy, who is now serving 50 years in a California prison for opening fire at Santana high school and killing two students and wounding 13.

After discovering polyamory awareness website Loving More in the 1990s, Robyn found comfort and support from a community she felt she was meant to be a part of.

On the season finale, Lisa meets the Unabomber's brother, a serial killer's daughter, and a school shooter's father.

Philadelphia couple Gina and Wes discuss how they transitioned from a monogamous duo into a polyamorous "W."

Regina created a discussion group where this subculture can be completely open about their relationships and struggles.

Lisa observes the Ministy's "faith course" at the mall. Tuesdays 10/9c on OWN.

Industrial zones as a housing solution for sex offenders. Tuesdays 10/9c on OWN

The Naming Project ends with a tradition: a talent show.

Lisa on how a heroin addicted family impacted her own life and opinions.

For sister-wives Becca and Marleen, it's not just about sharing your man.