“A case that began with reports of suspicious activity in northeast Wisconsin forest land last spring may be headed for the US Supreme Court. That’s because a US district court judge ruled in the case last fall that it was okay for the DEA to enter the rural property without a warrant and install surveillance cameras that were used to help convict five members of a family on charges they were growing marijuana.”
http://stopthedrugwar.org/chronicle/2013/jan/16/can_dea_hide_surveillance_camera