BBC: http://www.bbc.co.uk/news/uk-39373766
It appears that he was living with his wife and children until a few months ago; then he was in the flat that was raided with some other people. I wonder if his marriage broke down, and that was the trigger?
Did he go straight because, like many criminals, he had started a family and settled down? Or was there something deeper in his personality driving that violence - and the possibility that he would return to it?
And that raises the final question: what was the trigger for this attack?
It appears that he was living with his wife and children until a few months ago; then he was in the flat that was raided with some other people. I wonder if his marriage broke down, and that was the trigger?