Plainclothes Officer McFadden was patrolling downtown Cleveland to suppress purse swatches, shoplifting, and robbery of merchants plus shoppers when he observed John W. Terry and two cohorts case a corner store for a robbery. Officer McFadden became suspicious, went up to the three men and conducted a pat-down. When the officer pat-down the outside of Terry's coat, he felt something hard in Terry's outer pocket that felt like a gun. McFadden reached into that pocket only and confiscated an illegally possessed gun. Officer proceeded and arrested Terry.
Issue:
Can police stop a person without probable cause? Can police search a person stopped without probable cause?
Holding:
Affirmed. Police may