Does the plain view doctrine authorize a warrantless entry into a dwelling to seize contraband visible from outside the dwelling? Why? What if an offi cer observes contraband from the hallway of a...

Does the plain view doctrine authorize a warrantless entry into a dwelling to seize contraband visible from outside the dwelling? Why? What if an offi cer observes contraband from the hallway of a motel through the open door to one of the rooms? What if an offi cer observes contraband lying on the desk in someone’s offi ce?