I, II, III, IV d. III, IV 41. According to the plain view doctrine a. plain view is an exception to the search warrant requirement. I. An off-duty officer overhears two men in a hotel lobby discussing an illegal drug sale. A police officer lawfully stops a person and frisks him for weapons. During the frisk the officer felt a small lump in the pocket and examined it with his fingers, thought it to be drugs, reached into the pocket and seized the crack cocaine.
Officers observe a woman at the airport carrying a large package.
The officers seize the package and arrest the suspect. Officers observe a suspect walking quickly through a subway station carrying a long case. The officers stop the suspect and open the case and search it. I, II, III, IV d. I, II, III, IV d. III, IV 47.