Build a movie plot around this: Who brings in an undercover cop? Lt. Bracken
A:
Boston, 1942. A mother walks into a room and catches her son, Timmy, doing a jigsaw puzzle of a naked female. Very irrigated, she says she is going to burn it. She order her son to get her a plastic bag which to dispose of the remains. Tommy instead takes an axe from a closet and murders his mother. He then saws her dead body into pieces and sits down to finish his puzzle. A woman neighbor shows up at the house and knocks on the front door where there is no answer. After phoning the house and still getting no response, she calls the police. Two policemen force their way into the house and enter Timmy's bedroom where they find blood covering the floor. One of the policemen says "Something's been butchered up here. Let's hope it was an animal". Inside a closet, they find the woman's decapitated head. In another closet in the hallway, they find the blood-splattered Timmy who screams "Mommy!" The policemen console him where he tells the officers that a maniac broke in and murdered his mother.40 years later. An unseen person enters a fancy apartment and goes to a closet where he recovers a box containing shoes and clothes, mostly covered in dried blood. Along with it is the remains of the nude jigsaw puzzle.Somewhere on a college campus, a girl is studying in the grass. Nearby, an unknown person is seen working on the shrubbery with a chainsaw. The man dressed in all black clothing approaches and saws off her head with the chainsaw. A little later, Lt. Bracken (Christopher George) and his partner Sgt. Holden (Frank Brana) arrive to investigate the killing. They talk to the college dean (Edmund Purdom) about the chainsaw murder and there were no witnesses and the girl's head is missing. Bracken tells the Dean that they have no suspects and says "We're just out buying clothes without labels and trying them on for size". Willard (Paul Smith) the burly and bearded groundskeeper is outside utilizing a chainsaw similar to the one the killer used.In the campus library that evening, a girl gives a note to a male student,...