Sheriff's hat (Fallout 3)

Sheriff's Hat is a hat in Fallout 3. You can acquire this by:

-killing Lucas Simms, the Sheriff of Megaton -tricking Mr. Burke into thinking you will blow up the bomb in megaton. Acquire the detonator from him and return it to the Sheriff. The Sheriff will confront Mr. Burke causing a shootout that leaves the sheriff dead without having to kill him yourself. -leave Mr. Burke after you refuse to detonate the bomb. o to the sheriff and inform him of Burke's plot. The same shootout occurs, leaving the sheriff dead.

You may then kill Burke for good karma.