DeLAND, Fla. -

Although he's not a hired security officer, George Zimmerman has been "patrolling" outside a Volusia County gun shop after it was recently robbed, according to the store owner.

Pat Johnson said Zimmerman is not an employee of his DeLand store Pompano Pat's, which sells firearms, ammunition and motorcycles.

Johnson said that Zimmerman, on his own accord, has been spotted outside the store since the robbery earlier this month. The thieves stole rifles worth up to $5,000 and two mini-bikes, according to Johnson.

Johnson added that although he knows Zimmerman, he has not hired him as a security officer.

Pompano Pat's made headlines last July when it offered Zimmerman a free gun days after his murder trial ended.

Zimmerman, a former neighborhood watch leader, was acquitted of murder last summer in the death of Trayvon Martin.