By CBS3 Staff

ATLANTIC CITY, N.J. (CBS) — The man accused of stashing a loaded handgun in a first-grader’s backpack was taken into custody Wednesday night, after the 7-year-old took the gun to school last week. Police arrested Lamar Williamson on Wednesday.

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Police say he put the gun in his 7-year-old relative’s backpack last week. The child told staff at Atlantic Community Charter School upon arrival.

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Police say Williamson is a convicted felon who isn’t allowed to have a gun. Williamson was charged with endangering the welfare of children, unlawful possession of a weapon and possession of a weapon by a prohibited person.