Current technology allows the cops to see MJ fields via special topographical thermography cameras.

However, the high costs prohibit most agencies except the DEA or other Federal Agencies from improvising the technology.

Most often, the way people get busted is from someone else tattle-telling, or, from the grower opening his big trap and talking about it.

Far more weed is grown, harvested and sold than is ever caught.

It almost always comes down to the fact that more than ONE PERSON KNOWS about the plant(s).

HAPPY KEEPING YOUR TRAPS SHUT