Shake down
Definition 1 of 3
Pro Tip 1/3Intensity
Often implies an aggressive, thorough search. 
The guards are going to shake down the cell block tonight.
Pro Tip 2/3Suspicion
Used when suspecting illicit activity. 
Customs agents had to shake down the luggage for smuggled goods.
Pro Tip 3/3Comprehensive
Indicates a complete and detailed search. 
Before the festival, police will shake down the venue for safety.