FOX 4 News Crime Files: Week of August 25

The top crime stories in Dallas-Fort Worth for the week of August 25, including a Dallas police officer who was "executed" while sitting in his car, an assistant principal who will likely be permanently blind in one eye after a student threw a hanger at her, the search for a woman who is accused of killing her 6-year-old son, a man accused of shooting a young girl in Dallas, innocent people shot after a disagreement at a Garland bar and more.