According to the Largo County Sheriff's Department, Michael Mitchell entered a business called Randall's Firearms on Thursday with a box cutter and tried to steal a gun.
Authorities say Mitchell told deputies he wanted to "take some action" after he visited the hospice where Schiavo lives.
Mitchell is charged with attempted armed robbery, aggravated assault and criminal mischief and grand theft. He remains in custody on $120,000 bond.
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