seen by NewsChannel 9 says the teen's father called Chattanooga Police at about 2.30pm on Wednesday, telling officers he'd seen Garrett strangle his mother on camera "until she was lifeless".The father then saw Garrett drag his mother's body out of the vision of the camera.Officers arriving at the scene found Garrett sitting on his bedroom floor, the affidavit states.When police asked where his mother was, Garrett told them that his mother was in the nearby woodsA police search of the woods located Theresa Behlau's body - her head had been covered with plastic wrap.
The affidavit states that investigators later viewed the video footage the father had seen, showing Garrett strangling his mother, dragging her body away, then returning with.
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