Signals that may indicate the presence of a drug lab
-Drug labs give off a specific (chemical) smell
-There are unknown, suspicious vehicles driving across the yard
-Loading and unloading takes place close to the barns and vehicles are parked in such a way that it is unclear what is going in or out
-Large parts of barns and sheds (including the cracks) are taped shut; you can’t look inside anywhere
-There is mainly activity in the evening and night