During "hot pursuit" of a wanted individual - during the service of an arrest warrant - during 'emergency' situations - if contraband is visible in "plain view." All these situations have their own...
Nope. he has to have a warrant or a good reason to. one way to let him have a good reason is by giving him lip about it and saying no. then he can get suspicious and find a way to search it.
A police officer may do a pat down search for weapons for their safety without a warrant. They can also search a person if they ask and are granted permission. They may also search if they have...