 Opposition to traffic enforcement cameras owned by Redflex has resulted in their removal in some American cities in Texas and California.In late 2010, Redflex executives were implicated in a bribery investigation in Chicago, Illinois.Following up on a letter from a whistleblower, the Chicago Tribune reported that a Redflex consultant had been making improper payments to a City of Chicago transportation official, John Bills, who was responsible for overseeing the awarding of contracts for the installation and operation of Chicago's widely hated red light camera system.