In the linked video Prof. James Duane explains why even angels devoid of the slightest moral blemish should never speak to police officers, tax collectors or other law-enforcement agents investigating crimes. Duane assumes no malice on the part of the police -- just human failings and motivations.
Link:
[ame=http://video.google.com/videoplay?docid=-4097602514885833865]"Don't Talk to the Police" by Professor James Duane[/ame]
Link:
[ame=http://video.google.com/videoplay?docid=-4097602514885833865]"Don't Talk to the Police" by Professor James Duane[/ame]