FLETC Talks - Minnesota v. Dickerson

FLETC Talks presents "Minnesota v. Dickerson" by John Besselman, senior advisor to the Office of Chief Counsel. When a police officer detects contraband through his or her sense of touch during a protective pat down search, does the Fourth Amendment permit its seizure and subsequent introduction into evidence? Was the police officer who frisked Dickerson adhering to the Fourth Amendment when he formed the belief, through his sense of touch, that the lump in Dickerson's jacket pocket was cocaine?