The Stepfather (2009) suspensful and ultimately a good one, won't keep you up at night though
Mission Kashmir Movie Online Youtube. A police officer adopts the son and sole survivor of a family he has massacred while pursuing a terrorist. After some time the foster son finds out what the stepfather did.
That psycho stepfather has escaped from the insane asylum and had his face surgically altered. Now he's married again, this time to a woman with a child in a wheelchair. He goes on a killing spree once again.