Ritical assessment of emerging of technologies in law enforcment

In Discussion style without any references ( just analyzed the article which attached) and focus on this coming points:
the effects of new technologies that using of police( such imaging and monitoring technologies like PMI and thermography ) on to engage in abuses that run afoul of civil liberties, democratic ideals, privacy, probable cause, reasonable suspicion.
Is a search for policy and procedural guidelines enough , what are policy gaps?
the effect of unproperly using of this new technologies , (ethically and legally) by the law enforcement personnel operating them.
The accuracy of these devices. Can criminal justice system trust this new technologies