women are risking their lives by working in the shadows. violence often goes unreported. but some crimes do make headline news. >> intimate escort ads are linked to horrific deaths in detroit. >> l.a.'s five men have been arrested and charged with robbing escorts. >> all of the victims are prostitutes. >> but inside this legal brothel lies a different reality. staff security monitor who comes in and any clients behaving badly are quickly removed. but safety is not zoe's main concern. the money. it's a lesson she learned from her father. >> my dad was a pimp. and he taught me it's not what you do, it's how you do it. i was a daddy's girl. so i was always with him. whatever he felt like was right, i felt like was right. i thought that i was going to grow up and be a pimp. >> but instead of pimping, zoe became an escort. have you always worked for yourself? >> i always worked for myself. >> never had a pimp? >> never had a pimp in my life. a guy can't force me to do anything. i like to tell guys i'm the boss. sometimes guys come in, it shocks me certain things that they want. you want me to punch your balls? i'll do it. and you're paying me for it? woo. if the money is good, then i'm good. it's right before christmas.