The plantiffs attack includes claims that the Sirchie LLC product is absolutely junk. Similar complaint to police on-scene drug testing problems due to false positive reacts to commonly found substances.

A group of defense attorneys and prison inmates filed a proposed class action against the Massachusetts Department of Corrections and Sirchie Acquisition Co LLC on Wednesday, saying a Sirchie product that the prison system uses to drug test mail is wrong nearly 80% of the time.
— Read on www.reuters.com/legal/litigation/mass-defense-attorneys-say-drug-test-falsely-flags-client-mail-2021-07-28/