Plain and simple rules of conduct, outlining the procedures that shall be adhered to by all persons, as pertaining to the transportation and handling of prisoners, needs to be developed and instituted.
No police officer, anywhere in this country arrests a simple, non-violent, drunken driver without handcuffing him/her, behind their back, prior to transporting.
This only makes common sense ... but unmentioned in this article is the fact that the law requires that the perp cannot be brought into the courtroom wearing handcuffs because this would not be fair to the perp. The law, obviously, is an ass.