i have nothing to do with whatever was in tom's system. i had nothing to do with any of that. >> reporter: did you give him a polygraph, as well? >> we offered. >> reporter: did he take it? >> no. the next day after that interview, we were contacted by a lawyer stating that there'd be no further contact with his client. >> reporter: meanwhile, linda was reeling from all that police had told her. from the images of the white s-u-v in the video, to the drug in her husband's system that a dentist like gil would have access to. like investigators, she now believed her lover had killed her husband. >> i didn't ever wanna s -- speak to him again. >> reporter: but saugerties is a small place, and within days linda says she found gil waiting for her outside a chinese restaurant. >> he's sittin' in the parkin' lot and gets out of his car and starts screamin' at me and we'd get in a huge fight. and he's, like, "they're tryin' to pin this on me and they say you were involved." and i'm, like, "i wasn't. you did this. get away from me."