This is a slippery slope eroding the 4th a.: at what point can police use X-ray, muon, FLIR, MMW, and SIGINT against private property and persons and say it's "

This is a slippery slope eroding the 4th a.: at what point can police use X-ray, muon, FLIR, MMW, and SIGINT against private property and persons and say it's "not a warrantless search" and maintain a shred of credulity?