Paige Prescott: Detective Vaughn, please remove your hand from my thigh.
Det. Leon Vaughn: Okay, where would you like me to put it?
Paige Prescott: How about up your ass?
Ruthie: Watch your back... leech.
Adam Carr: All I can think is when someone is that lonely or that angry they can learn to hide it. But inside, it never dies. It just stays there. Eats away at you. Until one day, you have to do something about it.
Gary Taylor: You look great, Kate. How about a date, Kate? You could be my mate, Kate.
Kate Davies: You're scary, Gary.
Gary Taylor: This could be our fate, Kate.
Answer: If you remember, Dorothy kind of stumbled into her friend from around a corner before they both fell down the stairs. Adam could have quite easily forced her into the costume and then pushed her, making her seem like she was trying to attack her friend.