movie Bout a woman with 2 kids? She’s dating the science teacher. And monsters start kind of teleporting into her house. Once, the monster touches her kids and they can’t leave the house or they turn into stone. Also at the end, they find out the monster was the son who grew up to be bad and sent to prison where they decide to experiment on him and to make clones and every time he is cloned he turns up in the past as a monster looking thing?