If you’ve ever encountered a sobriety checkpoint on your way home from a holiday celebration, you’re not alone. But things didn’t always used to be this way. These roadblocks created a lot of controversy in the past, and still do to this day. It’s something most Kansas City DUI lawyers had to learn in school. If you talk with a Kansas City DUI lawyer and other lawmakers around the country, you’ll find that the checkpoints are not as black and white as you would imagine. Many still believe them to be an illegal use of police force. Even though it is legal on the federal level, not all states have agreed that it is a constitutional law.