The silver-haired Buckingham is not the smoothest officer in the Las Vegas Police Department, but he knows where his duty lies.
(With the Decepticons, duh.)
Buckingham is presumably his surname.
Ryan O'Brien, sounding out his feeling about the Decepticon occupation of Las Vegas. Buckingham tells O'Brien to come to the Palms Grayson Hotel parking garage at 2AM if he wants to do something about it.Buckingham approaches his fellow officer
When O'Brien shows, Buckingham and his fellow officers beat him to death.
Turns out they're actually Decepticon supporters trying to remove the troublemakers. Bummer.