online's lauren zima was on set. >> i'm debra. >> i'm john. >> hi. >> you look gorgeous. >> i was justhe story and the characters. >> were you looking in there? how dare you. >> were you watching me? >> maybe. >> i don't know who he really is. >> it's a story like no other. >> in "dirty john" a successful interior designer falls for a handsome doctor, but things take a dark turn when she discovers his past. >> threats, harassment, intimidation. >> they all say it's you. what kind of person does that? >> this scripted series based on a true story that was first documented in a popular podcast last year. >> i couldn't believe it. as i was listening to it, i was so intrigued by the turn of events and the things that happen towards the end. >> i've spoken to debra quite a bit, who is the character i play, debra newall, and it's been really, really helpful to get to talk to her. >> so he's a doctor and a nurse or he's just not a doctor? >> you're working with connie britton who's got that hair. she's known for it. >> i've touched it actually. >> you've touched hair? wow, eric. >> i get a co