Saliva Test

"Rhode Island DWI or DUI charge usually falls into one of two categories"

A Rhode Island DUI or DWI charge is defended against differently depending on whether a suspect agreed to take the chemical test or whether they refused.  Once a suspect has agreed to take the test, and performs above the requisite blood alcohol level for intoxication, a criminal defense attorney must focus on attacking the admissibility of the subject test.

One or more scientific tests presently are conducted in all jurisdictions on driving-while-intoxicated suspects for the purpose of (1) bolstering and corroborating police opinion testimony of intoxication and, (2) in those states that set presumptive blood-alcohol intoxication levels, to demonstrate that the defendant's blood-alcohol level exceeded the permissible.  Use of evidence of blood-alcohol concentration helps standardize the opinions of experts and minimizes reliance on the traditional evidence of intoxication on which opinions can vary so widely. Where a scientific test has been made on the defendant, it often is the main weapon of the prosecution, with all other evidence being used to corroborate the test results.

There are four basic scientific tests which may be conducted to determine the degree of intoxication: blood, urine, breath, and saliva tests. The results of urine, saliva, and breath tests for alcohol must be converted into a blood-alcohol reading in order to be useful in determining whether the subject was intoxicated. Read More...