http://sanfrancisco.cbslocal.com/2012/08/01/homeless-man-found-with-weapons-cache-list-of-names-in-sf-golden-gate-park/
When police found a huge cache of guns, knives, a shotgun, 5,800
rounds of ammunition and camouflage gear in Robert Johns’ car on July
21st it was thought they may have diverted some kind of planned attack.
Also in that vehicle was a list of names of political leaders, reportedly including President Barack Obama.