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171969P.pdf   07/23/2018  United States  v.  Tavares Montgomery
   U.S. Court of Appeals Case No:  17-1969
   U.S. District Court for the Northern District of Iowa - Waterloo   
[PUBLISHED] [Loken, Author, with Smith, Chief Judge, and Wollman, Circuit Judge] Criminal case - Criminal case. In this revocation of supervised release proceeding, any error in admitting transcripts of an expert witness from two prior Northern Iowa cases where the expert testified in detail about the reliability and acceptance of sweat patch testing was harmless; the evidence was cumulative and unnecessary in light of the other evidence in the case.