I forget the name of this movie

A man in a gang trying to kill a woman with short blonde hair who was pregnant by his baby in a car accident because she knows alot about them and they think that she was dead but she survive with amnesia and a black man helped her and she have a baby girl they raise her for about 6 years but the gang found her after seeing her in tv and they follow her then she start remembering and she killed them by a truck explosion