The film is in the thriller genre. Starring an attractive blonde woman. She had an affair with a hot officer. At the end of the film he wants to kill her, she runs away in a police car. He catches up with her, but she manages to kill him. The film begins with a pastel scene. In the film, a man taught woman to shoot a pistol. The film is from around 2000.
I don’t remember this one too well but it sounds kind of like Snapdragon from 1993. I don’t even know if details match, but maybe check that one. I haven’t seen it in a really long time but I recall some of what you mention being in that.
Sad, but these are not films I am looking for…