'patriot dogs' help veterans
War has a way of leaving soldiers fighting a battle within themselves long after they are home safe.
"When I left Iraq I had a lot of aggression issues," said retired Marine Geoffrey Zehnacker, who worked did three tours in Iraq in a patrol that searched for mines and set off improvised explosive devises (IED's).
The ones they found on purpose they set off at a distance.
The ones they found by accident could be deadly.