Some might remember the Birmingham 6, and the infamous glycerin test that sent them to prison, when some dumb-ass forensic "scientist" said the glycerin on their fingers from playing cards was actually from nitroglycerin. http://www.independent.co.uk/news/uk/law-report-scientist-defamed-skuse-v-granada-television-court-of-appeal-sir-thomas-bingham-master-of-1452874.html
Well, cops never learn, do they? Now, we have a case in Florida where the geniuses accuse a man of using crack cocaine - no, wait, oops, we got it wrong, it's crystal meth - because they find icing sugar from donuts on the floor of his car that the stupid dumb fuckers don't have any fucking business searching, anyway.
‘No, it’s meth’: Florida police mistake Krispy Kreme icing for hardcore drughttps://www.rt.com/usa/353723-krispy-kreme-meth-arrest/