he said daniel richter drove them over to tahereh's house that night. ught a 22-caliber pistol and a syringe full of insulin. east baton rouge assistant district attorney dana cummings had joined the case. she says richter dropped off tyler and skyler and they hid in the driveway. they're wearing masks. apparently, tahereh went to her car to get something out. and at that point in time, they grabbed her. they muffle her mouth and drag her back into the kitchen area. andrea canning: richter joined them inside. tahereh tried to escape, but she was no match for the three men. and they injected her with whatever it was that they had to inject her with. and she was unconscious on the floor. at that point, they wrapped her up in hamed's comforter and loaded her in the back of her own car, which was a jaguar. andrea canning: the men headed down the rural highway toward the site where tahereh was found. they open the trunk of the car, and she is moaning. oh, no. so she's still alive. and that's when tyler takes the 22 and shoots ms. ghassemi in the head. andrea