DWI Blood Testing: The Science Behind DWI Testing in Galveston County
DWI Blood Testing: The Science Behind DWI Testing in Galveston County When you’re pulled over on suspicion of DWI in Galveston County, the officer’s investigation is just beginning. What happens next often involves a request for a chemical test to measure your blood alcohol concentration (BAC). Blood testing reveals the amount of alcohol or drugs in a driver’s system, which is crucial evidence in a DUI investigation. Most states have implied consent laws requiring drivers arrested for DUI to submit to a blood test when requested by law enforcement. In most states, officers must obtain a warrant or valid consent to draw blood from a DUI suspect. Refusing a chemical test can result in penalties affecting your driver’s license. The “science” behind these tests can seem intimidating, but understanding it is the key to a strong defense. The two main types of tests you’ll encounter are breath tests and blood tests, and they are far from equal. Both are used to determine blood alcohol conten...