Don't Let Them In DVD   4Digital Media

Mike Dunkin co-writes and directs this low-budget British horror.
Jenna (Michelle Luther) and Karl (Aidan O'Neill) are Child Protection Officers visiting their final patient for the day; David (Scott Suter) has recently been released from prison following the murder of a young girl.
When they arrive at David's remote home, he is on edge and armed with a rifle, convinced that people are out to get him.
Once the house comes under attack however, all three must do whatever they can to survive.