[MoSattler]

First use will be for criminal suspects, to "save lives". Then its use slowly expands from there.

[blindriver]

"For the children" is the first excuse usually.

[fortran77]

Exactly! Strap it on anyone who has to work with children to see if they ever have any untoward thoughts.... Then move on to everyone else.

[Octabrain]

"To fight terrorism" usually is the second.

[e2le]

I'm sure among the first applications of this technology will be to scan user thoughts for evidence of CSAM.