For nearly two decades, Lazenko was part of that illicit world, starting as a 13-year-old runaway when, she says, she was bought and sold for sex. Prostitution, pornography and strip clubs followed. Then she walked away from it all. She eventually moved to Montana and a few years ago, while counseling at-risk girls, she began hearing about young women being recruited for prostitution in the Bakken oilfields. She wanted to help.