Coss and Sippola have pleaded not guilty to reportedly trying to extort $680,000 from Stamos by threatening to release scandalous photos of the actor that would tarnish his wholesome image.

MARQUETTE, Mich. (CBS/AP) Allison Coss and Scott Sippola were found guilty of trying to extort $680,000 from actor John Stamos by threatening to sell old photos of him with strippers and cocaine ...