Strange outlook. So the guy who pulled the trigger and killed his wife and kid has what?
The reality of life is that there is seldom a single cause of anything ,but several small actions coming together for either good or bad events.
Agree, but they (LEO) might have been better served to just take five...
watch him... set up some motion detectors on the dirt road leading to town and just wait it out. It would have been financially cheaper... and the Government would more than likely have come out of the whole mess smelling like roses instead of a pile of cow dung.
Sometimes less is more.