Let me educate you on Con Law I / Crim Pro I
The government and local municipalities are required by law to publish their intent to set up a DUI/DWI/OVI checkpoint prior to it's establishment.
Under normal situations, a police officer must have probable cause to believe that you have committed some type of crime to pull your car over or detain you in any way. An officer cannot randomly pull cars over to see if the drivers are intoxicated. He/She must actually witness some traffic violation or indication of impairment in order to legally perform a traffic stop. If the State fails to show a valid reason for the stop, the stop is invalid and all evidence obtained as a result of the stop (including evidence such as a breathalyzer test back at the station, if one is obtained) is thrown out under the theory that it is "fruit of the poisonous tree." This is how 99% of DUI cases are beaten.
That's your constitutional right against unlawful search and seizure at work.
The Supreme Court of the United States has ruled that OVI Checkpoints can circumvent that requirement (probable cause to stop) by publishing the checkpoint in a paper of general circulation beforehand with the theory being that motorists would then be consenting to the search if they drove through the checkpoint.
So, yes -- it is highly problematic that these Senators are trying to censor an app that gives the public notice of OVI/DUI/DWI checkpoints. Notice of the checkpoints is, quite literally, the only thing that makes them constitutional.
Try harder next time when you make claims about knowing what the Constitution does and does not say.
