unarmed and unsuspecting, lazarus didn't realize she was being recorded by an undercover camera. >> i don't know if you know my partner. >> hi. >> have a seat. >> that is when detectives revealed that this conversation wasn't about art. >> down john ruetten? >> john ruetten? john ruetten? >> you said you dated john. how long did you guys date? >> i mean, what? are you -- is this something -- i mean, you said i was going to interview somebody about art and now you're -- >> reporter: detective lazarus seemed uncomfortable and vague in her answers, especially when detectives asked about sherri rasmussen. >> you know, i may have talked to her. i -- it -- it sound -- i. >> you anged in hospital maybe. you may have talked to her in a hospital? >> yeah. yeah. i may have -- you know, i'm thinking back now.