Oh my god... I can't even imagine the fear those two poor boys must have felt.  I can only hope they did not see it coming.  How disturbed must one be to see this sort of thing as the only way out, the right thing to do?  The pain and loss this family is feeling is probably only compounded due to the conflicting feelings of someone you love committing such an atrocious act on others you love, whose lives were just beginning.  Poor babies... I do hope they didn't suffer.  It shows that complaints of domestic issues should be taken seriously, by everyone.  It states he was under investigation/being sought for domestic violations.  How did he even get his hands on those boys?  It's so sad.