What a terrible sister
A few questions
Why would his sister take him back to the murder scene as soon as he got out of mental institution? Like that can't be good for him.
Why didn't she tell the authorities he shot his dad because he was about to murder everyone? He got institutionalized for that. That's *beep* up his sister just let it happen.
The movie was all right but I can't get past some of these glaring problems with the plot.