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Men with guns -- outside town hall

From NBC's Ron Allen
Outside the event where President Obama will conduct his town hall, there is an anti-Obama protestor with a gun -- a pistol strapped to his lower leg.

The local police chief said it's legal for the man to have a registered handgun -- as long as it is not concealed. What's more, he is on private property, a church yard, which has given him permission to be there.

*** UPDATE *** More on the man with the gun... William Kostric is a married man in his mid 30S who works in sales. He says he moved here to New Hampshire from Arizona about a year ago, because it's a "live free or die" state -- and he thought Arizona was becoming too restrictive with its gun laws.

He's passing out a bookmark that says, "Join the Second Amendment Revolution, the most exciting pro-liberty movement in over 200 years."

He's a Ron Paul supporter, who opposes just about everything Obama, including health care reform.

The local police say he is within his rights to carry a handgun openly under state law. He was carrying a 9-mm Smith and Wesson strapped to his lower leg.

Police say he's OK on a public sidewalk. Kostric says he has permission from a church just down the street from the high school to be on its private property.

He says he was approached by a "detective," possibly a Secret Service Agent, who told him he could be arrested within 1,000 feet of a school with a weapon under a federal law. Kostric moved back to private property.

When Obama arrived, the police had Kostric under surveillance. A local police captain said the Secret Service has been "in the loop."

Kostric has been about 50 to 75 yards from the entrance to the high school, since about 11:00 am ET, doing interviews and carrying a sign and his gun and police have had their eye on him. But as long as he's been "cooperative," they have watched, but let him be.