Initially I thought this might have something to do with drugs, but the the more I think about it a 2 year old couldn't possibly snitch about anything. Even if it was a revenge situation for drugs, I can understand killing the mother (even though that's not right), but two different households and killing 2 children is going too far with a drug situation.
So that leaves me believing this has to be a relationship problem and BT killed everyone in a blind rage because he was dumped or because something was seriously wrong between him and the mother. As a result, his way of dealing with it was the "if I can't have you, no one can" solution. It just takes a certain unique type of abnormal psychological problem (sociopath, psychopath, narcissist) for someone to go after children, especially a 2 year old. I would be willing to say if this was a relationship problem, there was abuse and serious control issues on BT's part and the uncle got caught in the middle of it because he was trying to help the mother escape.
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