trying to find movie but dont know name of it

I remember one scene from it I think its the start of the movie this killer sees that a woman at the side of the road with broke down car and offers her a ride and then kills her or I think its the other way around but he pretends he broke down then kills her when she gives him a lift I think and another scene I think he tries to kill a woman but she gets away its in a like a corn field thing , one more scene I remember he comes up behind a woman and kills her the films plot basically is him killing women but I can't find it anywhere and I think its an american film if anyone know let me know