The Twentynine Palms Police Department will be out in force Thursday night cracking down on impaired drivers with a DUI and driver’s license checkpoint. A checkpoint is scheduled Thursday, December 19, starting at 6 p.m. and going to 2 a.m. at an undisclosed location within the city limits. Police Chief Rich Boswell warns motorists the police department will also have saturation patrols looking for drunk and drugged drivers. The DUI/driver’s license checkpoint is the result of a grant of more than $21,000 to the City of Twentynine Palms to combat drunk and drugged driving.