A Florida woman allegedly terrorized multiple Key West residents — "banging" on people's homes and threatening them with a .22 Magnum revolver — because she thought she had been "robbed" of her cellphone, which turned out to be in her car the whole time.

Gail Stephenson, 57, is charged with three felonies for her Friday night rampage after cops found both the phone and gun she allegedly used to torment the residents — the items were located inside her Ford Explorer and outside her nearby home, according to an arrest report obtained by Law&Crime.

Stephenson was allegedly under the impression that a man she had given a ride to in the area was responsible for swiping her cellular device.

At least two residents reported being threatened by Stephenson, including a 52-year-old man who alleged

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