You justify the suspicionless searches by saying that a majority of the tenants wanted them.

ECONOMIST: Free speech

Fortunately, in 2005, the Fourth Circuit Court of Appeals (in Virginia) upheld federal agents' authority to conduct suspicionless border searches of a person, his personal property and his laptop computer.

WSJ: Roy Altman: Judges For Lax Border Security

This exception has long permitted federal agents to conduct suspicionless searches involving, for example, vehicles crossing into the U.S. from Mexico, planes flying in from terror hot spots in the Middle East, and packages arriving from cocaine-manufacturing hubs like Colombia.

WSJ: Roy Altman: Judges For Lax Border Security