Authorities use the term ‘exigent circumstances’ to describe a situation necessitates a warrantless search and/or seizure of a suspect’s property, including their bodily fluids. This usually applies in emergencies when police know someone is in imminent danger of harm. Cops bust down doors without search warrants because waiting to do so could put someone’s life in jeopardy. In the wake of an important U.S. Supreme Court ruling, the definition of exigent circumstances as it applies to DUI stops may have changed forever.