>> reporter: but, he said, she came around. >> she wanted to do what's right all along, she just would like to do that without getting herself killed doing it. >> reporter: but she would only proceed on one condition. >> i had to prove why she was gonna be safe. i had to prove how we were gonna do this. it wasn't enough for me to say, "oh, don't worry. he won't have a gun. we'll look for bulges." >> reporter: so they came up with a plan. gave her a cover story to protect her, a fictitious job, a phony address and then casually she resumed contact with shane, a few emails. a little flirty at times, on both ends -- >> people sometimes hear from their exes, right? i mean, that -- that happens. >> reporter: and finally, the sting. she told shane she'd be passing through the lexington airport on business, and he agreed to meet her. it was in this airport lounge, surrounded by undercover cops and fbi and behind security to be sure shane wasn't armed. >> so what's been happening? >> worked about two years in louisville. >> reporter: they reminisced for an hour or so.