Girls on the street will be approached by a pimp within 48 hours. >> show me your hands! get your hands out the window! >> reporter: we joined agents and police from the denver task force. they call themselves the pimp hunters. >> anybody and everybody, white, black, hispanic, purple, green. doesn't matter. it's our kids in our neighborhoods. our children. >> i grew up in a really nice area. >> reporter: austin was one of the kids. now, 20, she grew up in a well-to-do denver suburb. as a teen she got hooked on drugs and alcohol. a pimp seduced her at 17. austin was rescued two years ago. on th...