CAMDEN — A southern New Jersey man authorities say belongs to an anti-government extremist group has been charged with illegally owning four guns.

The Camden County Prosecutor's Office says 46-year-old Gregory Gawrysiak was arrested Thursday at his home in Haddon Township and charged with unlawful possession of a weapon, possession of an assault firearm, and possession of a defaced gun.

Gawrysiak forfeited a gun and gave up his right to own weapons in 2010 after threatening to kill law enforcement officers, authorities say.

Police say he used a fraudulent Pennsylvania driver's license to buy two handguns, a shotgun and rifle weapons there last year.

Authorities say the man is a member of the Sovereign Citizen Movement, which argues that state and federal governments lack authority.

Copyright 2013 The Associated Press.

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