. >> despite her nerve, gayle sykes was pressed into service. at around 10:30 a.m.r's landing, an area along the beach and there she would find further instructions in a bathroom. gayle left her daughter's house. the money was in a blue bag, along with a tracking device courtesy of the fbi. at the location, quinn's mother found the designated bathroom. hidden inside the toilet paper holder was a note. it looked again to be in quinn's handwriting and gayle read it aloud to investigators. >> so far i'm fine. no harm has been done to me. after you pick up this letter you are going drive north toward joe's crab shack, got the money out of the car and do not look back. anything goes wrong and i'm dead. ♪ >> up to this point they didn't want to hurt her. they had no intention of hurting her, but now it says anything goes wrong i'm dead. >> they're escalating it. >> yes. >> undercover agents converged on joe's crab shack, a local restaurant popular with tourists. >> we've got surveillance units out. we've got an airplane out. >> you're watching. >> we're watching. >> quinn