Chicago police have sustained an allegation against an officer accused of not following procedures during a DUI stop more than two years after prosecutors asked police to investigate -- prompting 50 of his DUI cases to be dropped.

As many as 500 DUI arrests from the last 2½ years may be jeopardized by the involvement of Chicago Police Officer John Haleas, according to the Cook County state's attorney's office.

TMZ.com reports that TV host Gary Collins, known for his work in the 80s on shows like "Hour Magazine", was busted Tuesday night under suspicion of DUI.

The first DUI memorial sign resulting from the signing of "Tina's Law" was installed Wednesday in Chicago by the Illinois Department of Transportation.

A Chicago police officer is under investigation and hundreds of DUI cases that he worked are now in jeopardy.

LOUISVILLE, Ky. -- The Attorney General’s office confirmed Assistant Attorney General Jason Moore was arrested and charged with DUI Wednesday morning.

Social drinkers may want to think twice before ordering another glass of wine — it could land them in the clink. New Arizona DUI laws crack down on individuals who choose to drink and drive with mandatory jail time and installation of an ignition interlocking device.

Getting in line with state efforts to decrease the amount of time it takes to process DUI cases in Arizona, Benson City Magistrate Joe Knoblock said he will be taking part in a new program starting Jan. 1.

Halloween is a popular time for parties, and police are serving notice that they'll be on the lookout for drunken drivers. Pittsburgh-area police said there would be a major DUI crackdown within the next week.

A man is behind bars facing DUI charges after an overnight accident that shut down part of a major Lexington road.