Refusing to take a test may deprive the prosecution of damning evidence, but it will also usually result in a license suspension. In some situations, a refusal post-arrest can be overcome, and a non-consensual blood test may be allowed.
Alcohol-monitoring ankle bracelets provide a way for courts to oversee people who have been ordered to not drink alcohol. Here's more about how they work, their uses in the legal system, and how much they cost.
Although DUI/DWI law can vary from one state to the next, a person can still be prosecuted and convicted for DUI even though a chemical test of the person’s bodily fluids (breath, blood, or urine) is not available to the prosecutor.
In many states, police officers have a fair bit of leeway in deciding whether a person is intoxicated and, if so, whether the person should go to jail or a hospital or treatment center until no longer intoxicated.