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ELLISVILLE, MO (KTVI)– The American Civil Liberties Union filed a lawsuit against the Ellisville Police Department Wednesday morning.

The lawsuit claims the Ellisville police have been illegally ticketing drivers that flash their high beams to other drivers to warn them about speed traps.

ACLU legal Director Tony Rothert is working on a new lawsuit this week against the Ellisville Police Department.

The lawsuit is based on a past case involving a driver that was ticketed by Ellisville police for flashing his high beams to warn drivers of a speed trap.

Rothert believes ticketing that driver for flashing high beams in order to communicate with other drivers is a violation of the first amendment.

The question is what law does the action of flashing high beams break. Rothert insists it cannot be obstruction of justice or hindering a prosecution because of the one exception to those laws.

Ellisville did drop the charges against the man in question, but the ALCU is still proceeding against the city for this recurring fine.

FOX 2 spent the afternoon at Ellisville City Hall where city Manager Kevin Bookout instructed the chief of police not to comment on this subject because of the pending lawsuit. He directed all questions about this lawsuit to the city attorney’s office. Paul Martin could not be reached for comment Wednesday afternoon.

The ACLU is encouraging anyone that has received a ticket or fine for flashing your high beams in any police district to contact them immediately.