Troubling Treatment: Efforts are underway to reform teen behavioral programs Chelsea Filer was 15 when her mother hired men to take her from her grandparents' home to a teen treatment center in Ensenada, Mexico. Photo courtesy of Chelsea Filer. Chelsea Filer grew up in San Diego, the daughter of a single mother who worked late nights at an advertising agency. Filer was diagnosed with attention deficit hyperactivity disorder as a child, and without much supervision as a teenager, she stopped doing her homework and started hanging out with her older boyfriend. She often fought with her moth...