Borderline Stalkers - What Are They Doing?

"My biggest fear is always the female stalker. Often borderline, you know, and borderlines are crazy because they're, they're, do crazy stuff," he says. "Sometimes suicidal behavior, but not because they want to die, but because they want the attention." 'If I can't have you, no one can,' some stalkers say in a film about Lorena Bobbitt's life. The series will air on PBS next week at 9 p.m. ET.