Go to navigation Go to content
Phone: (703) 273-2750
McGlone & Jehlen

Police use Unreliable Tests for Marijuana


A British newspaper article is calling attention to the U.S.'s use of the Duquenois-Levine test for identifying substances they suspect to be marijuana.  The article claims the test is unreliable, often incorrectly identifying material as the drug.  It cites the example of a woman in Florida recently busted because she had a bag of sage in her purse; police didn't believe her, and charged her after the sage was misidentified as pot using the flawed Duquenois-Levine test.  Many defense experts are also questioning the use of the test.  Read more here