happens, sometimes prostitutes work circuits. reporter: prostitutes? first i was, okay, no, that can t be. reporter: then the truth came crashing down, undeniable. quinna had missed a scheduled court date in santa ana for a prostitution charge. wait a minute, you talked with her every day, teched with her all the time in. exactly. reporter: and you knew nothing of this secret life? no, nothing. reporter: what does it feel like to hear that in. heart breaking. reporter: when she heard kathy s story, detective trapp began to think she was on to something. then she discovered that just two-and-a-half weeks after quinna disappeared, there was another one, josephine monique vargas. she had a beautiful personality. they used to call her gimgs because she always made people laugh. reporter: josephine s mother priscilla had been on the local news searching for her daughter for months, after she left a