down in texas. >> well, there is casey miller. but then we find out there is the husband. is the former chief of police of summer, in texas. >> tim is your husband? >> yes. >> casey's or boyfriend? >> yes. >> you don't need me to tell you of a complicated life charlene? >> no. i know it. >> a complicated life that was of keen in stressed to investigators. it went like this. long after charlene broke up with josh, she met husband, tim. this was when they both worked for the texas police department. charlene was the animal control officer there. and tim, a sergeant. charlene says she foul for terms are shots demeanor. >> he was a cowboy. he wore the cowboy hat. he had the cowboy boots. he had the old-school manners. >> why did that work for you? why at that point in your life? >> because. that's how i was raised. he reminded me of my dad. he played the guitar, just like my dad did. >> but not long after they got married. it all took a turn for the worst. tim dean had a three year old daughter from a previous marriage. he got in serious trouble after he was videoed slapping t

but then also, casey miller visited her 60 times at the jail. >> charlene and tim or potentially facingrials approached. the dea wondered if they were turn on one another at trial. >> her statements to believe and upping admissible, at that point her attorney reaches out, and wants to talk about her coming to the table and cooperating. >> but could she be trusted? >> i did not think should be able to tell the truth. she is a master manipulator. so i came into that thinking it was not going to work out. she would do the one thing she has always done throughout the case, and that is protect herself and what is best for her. >> so the dea was skeptical as they cut charlene a deal, pleading guilty to manslaughter and exchange for telling the truth, and nothing but the truth to a jury. >> so she is a wildcard going into trial? >> absolutely. at this point, i don't know if she's going to stick to the agreement and come through, and testify, and actually sit on a stand in public and admit to what she had done. >> even without charlene the case against him dean or strong. his dna was found in t

joining us now, cnn chief law enforcement intelligence analyst john miller, and casey jordan, criminalologistavioral analyst. john, the cell phone found a note left behind, but it does not explain a motive, according to evan's sources. what does that add to this, help or complicate? >> well, the fact that they recovered a cell phone, and the fact that there was a note are both indicators of preplanning. now, most active shooters have a planning arc. this is just the statistics across the genre, but have a planning arc of 3 1/2 weeks. placing a note means he knew what he was going to do before he got ready and went out that night to do it, leaving the phone behind tells us more. he knows that's a way that people can be tracked. if he left it behind and he's a planner, he maybe has a burner to account for that. and that raises the question, is his plan to go near or far, or is there something else that he has planned? >> yeah. it raises more questions is what it does as part of this. there are now -- we were talking before the commercial break about the 18 people, we're learning more about some