America Loves Drone Strikes   The American public loves drone
strikes:                     About these ads  Precrime in
America   It’s useful to briefly talk about a few of the
practical problems that such a system would face.  Firstly, the
level of accuracy in remote monitoring. Is it possible to
engineer a system that can remotely tell you the heart-rate of a
hundred passengers  passing through a TSA checkpoint? Yes. Is it
possible to do so accurately? That is much, much harder. The
obvious conclusion is that such a system, were it to be deployed
in the wilds of airports (and presumably, other locations where
our ever-benevolent technocratic overlords determine
“terrorists” or “criminals” may be operating) would — given a
large enough number of scans — produce a lot of false positives
stemming from erroneous data.  But let’s assume that such a
system can be calibrated to produce a relatively accurate data
set. Now we are faced with the problem of defining “suspicious”
behaviour. Surely a passenger with the