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Cannabis. Two main questions arise in the law surrounding driving after having ingested cannabis: (1) whether cannabis actually impairs driving ability, and (2) whether the common practice of testing for THC (the main psychoactive substance in cannabis) is a reliable means to measure impairment. On the first question, studies are mixed.
Field sobriety tests ( FSTs ), also referred to as standardized field sobriety tests ( SFSTs ), are a battery of tests used by police officers to determine if a person suspected of impaired driving is intoxicated with alcohol or other drugs. FSTs (and SFSTs) are primarily used in the United States, to meet "probable cause for arrest ...
Duquenois–Levine reagent. The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test ), which is an established screening test for the presence of cannabis. The test was initially developed in the 1930s by the French medical biochemist Pierre Duquénois (1904–1986) and was ...
Sims said police can use the same field sobriety test for marijuana as officers use for alcohol. Once they arrest a driver, city police bring in police officer and drug recognition expert Marlo ...
Cannabis sativa containing greater than 0.3% THC, which is defined by Tennessee as marijuana, is still illegal. While marijuana is not legal, in Tennessee you can buy products containing CBD, or ...
Marijuana producers, because their business is illegal under federal law, cannot use banks, apply for trademarks, file for bankruptcy if business goes bad or take someone to court for breaking a ...
Drug Recognition Expert. A Drug Recognition Expert (DRE) is a law enforcement officer trained in a scientifically validated method to identify people whose driving is impaired by drugs other than, or in addition to, alcohol . All DREs follow the same 12 step procedure called a Drug Influence Evaluation (DIE), to purportedly determine which ...
Positional alcohol nystagmus. Positional alcohol nystagmus (PAN) is nystagmus (visible jerkiness in eye movement) produced when the head is placed in a sideways position. PAN occurs when the specific gravity of the membrane space of the semicircular canals in the ear differs from the specific gravity of the fluid in the canals because of the ...