Boulevard is a 1994 Canadian crime thriller film starring Rae Dawn Chong, Kari Wuhrer and Lou Diamond Phillips.
[1][2] A woman named Jennifer runs away from her abusive boyfriend, gives her baby up for adoption, and takes the next bus out of town.
A police officer named McClaren attempts to interrogate her, and when she refuses to talk she is deported to the USA.
Jennifer is later confronted by her boyfriend, who has tracked her down with the intent of killing her for leaving him and putting their baby up for adoption behind his back.
She eventually breaks free briefly and shoots him in self-defense, then abandoning his body in his car in a local alley.