By revealing Obama's itinerary for travel in Iraq.
Joke's on him though, Obama landed in Afghanistan.
Either a) He's trying to get Obama killed before the white supremacists can get to the Democratic nominee or b) his campaign was complicit in a disinformation campaign.
Given that you get the same effect from not saying a goddamn thing as from planting false information...guess which one *I* think? Not that I think St. John the Divine did this; just one of his Repub Frat Boy Staffer types...the ones the Repub party is so thoroughly larded with these days.