We had the same problem in San Francisco. A lot of convicted people had their cases dropped. The lab technician in question was NOT Amish.
Police running a crime lab on the cheap (She was handling three times the normal caseload) and most likely putting pressure on to convict (and hurry it up) . What could go wrong? CSI it ain’t.
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The DA’s want convictions , they want the “right” lab result , they’re all on “the same team” ... management was involved by simply ignoring the problems ... and the overworked lab tech is low man on the totem pole ...