people we heard from who knew him was his brother, 90 years old, his mother. he had no idea about this. in his 43 guns he collected them over 20 years. this is his brother, doesn't he know guy has at least 43 guns over the course of 20 years? he said i saw one handgun i never even saw him interested in guns. >> if the brother didn't know or says he didn't know, maybe he t didn't, he lived in florida and the gunman lived here, he knew he was a hunter he knew he had some guns come i didn't know he had that many guns print it brings you to the girlfriend, she lived with him in the home in mesquite. they shared a home up in reno, there was a home in mesquite, texas. she had to have known the guns existed, ammonium nitrate found in his car.e t there had to be some understanding that this was a heavily loaded man and what was his intention, it brings you full-circle to exactly who knew what.