1970S British Horror Monster Movies

Damien Blackwood, a shadowy figure that emerges from the darkness to terrorize Los Angeles, is a former policeman who was wrongly accused and punished, now seeking revenge on his estranged wife and her new lover by taking their children as hostages. He had a traumatic childhood in a rough neighborhood, is edgy, cunning, and manic, and is dominant. He hates loud noises and crowded places.