The Last Seduction (1994)
In the 1994 film The Last Seduction, the femme fatale, played by Linda Fiorentino, frames her small-town hick lover Mike (played by Peter Berg) for murder , sprays a can of insecticide into the mouth of her drug-dealing ex-lover, and ultimately, gets away with one or two murders and plenty of cash. From the very beginning Berg’s character, who works at a small insurance company (what is it with these guys?), ignores more than a few obvious red flags for the thrill of getting it on with the white-hot Fiorentino. Her character is the smartest and meanest person in the film.
The rest are here.