officer taking the stand at her murder trial in the shooting death of her neighbor. amber guyger is accused of killing 26-year-old botham john a man whose apartment she miss mistook for her own. christina coleman has more. reporter: amber guyger took the stand yesterday. she was crying. she says she feels like a terrible person and that she wishes she was the one who was killed that night. this as body cam video of the responding officer to that shooting, it was september 6th of last year. prosecutors say guyger just ended her workday and was sending sexual messages and photos to a man as they discussed meeting up later but apparently that didn t happen. she instead made it into the apartment which she said she thought was hers. sheaf said she put her key in the apartment lock and the door opened bough bos it hadn t beeny closed. prosecutors pointed out there were other options she could