in tombstone wyatt finds out that ike clanton is trying to herd thousands of head of rustled mexican cattle but cannot as long as the earps control tombstones railway station morgan earp deforest kelley criticizes his brothers association with holliday but wyatt insists the gunslinger is welcome in tombstone as long as he stays out of trouble cotton the cowardly county sheriff from fort griffin offers wyatt a $ bribe about $ today if he allows the stolen cattle to be shipped but wyatt refuses he rides out to the clanton ranch returning young billy clanton dennis hopper to his mother after finding billy drunk wyatt informs ike that he has been made a us marshal and has legal authority in every county in the united states finding no recourse the clantons decide to ambush wyatt as he makes his nightly rounds but kill his younger brother james earp martin milner by mistake