Do Not Install CCTV Or Access Control In A Drug House In New Jersey

they just use them to get the bad dude to cop to the one charge they actually want to convict him of - primarily to avoid the cost of trial

That's quite generous of you, since the cynic would point out another factor weighing heavily upon the prosecuter's decision to 'plea' a case; his conviction rate. Which fortunately does not include dropped charges in its calculation and so little (except justice) is to be gained by going to trial and risk losing percentage points.

Prosecutors do not like to go to trial - unlike what you may have gleaned from Perry Mason or Matlock.

True, "Perry Matlock" did present a skewed look at jurisprudence, which unfortunately may have formed the bulk of many americans legal education. Though the average 'gleaner' may have thought the prosecutor's actions to be overzealous, (because he was always portrayed stridently accusing the innocent), a more refined view reveals a dutiful and principled prosecutor willing to seek justice even when this meant near certain public and professional humiliation for the hundreth time! Remember, most every Perry case had the same M.O.: defendant publicly declares violence against victim, a surplus of direct and circumstantial evidence is found against defendant, little or nothing exculpatory is introduced ...until the first gavel comes down. Wouldn't you want your DA to be relentless in such cases? Add in the fact that Perry never really defended anyone directly, he (as the true prosecutor) only convinced us that some else was guilty. Finally, Perry's defendants hardly ever actually made it to trial (tho matlock did), most episodes were resolved in pre-trial hearings, and so the prosecutor's position was just one of arguing that the defendant should be bound for trial.