Sounds like the foolish letter writer will be dealt with. If DoJ and DoD can't take care of it, they can always send it over to the IRS.
Reminds me of the guy I read about that petitioned Adolf Hitler about brutal treatment in a labor battalion. Surely if the Fuehrer knew, he'd do something about it.
The GOP candidate for Pres. needs to make this a campaign issue. There should be no doubt that a GOP Pres. we reclassify this as a terrorist attack and treat these veterans and victims with the respect and recognition they deserve.