Bad Science
Posted: Sun Aug 01, 2010 9:24 am
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http://www.alternet.org/story/147613/ha ... onvictions
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See the last chapter or two in Mike Gray's Drug Crazy for a description of assembly line "justice" in Cook County, Illinois.
http://www.alternet.org/story/147613/ha ... onvictions
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So why don't they use the specific GC/MS test to confirm? Well, it is expensive. And the government labs are backed up. And budgets are tight. So corners are cut. After all. When you are processing 800,000 people a year there is not much time for justice.After undergoing several modifications, including the use of chloroform, the test became known as the Duquenois-Levine test, and became widely popular. Though scientists would show in the 1960s and 1970s that the D-L test was nonspecific, meaning it rendered false positives, it remains today the most commonly used test for marijuana — used in many of the 800,000 marijuana arrests that take place each year.
The test is a simple chemical color reagent test, easy to perform but difficult to interpret.
See the last chapter or two in Mike Gray's Drug Crazy for a description of assembly line "justice" in Cook County, Illinois.