Want to foil police efforts to catch speeders in Washington, D.C.? There’s an app for that. It seems that iPhone users in D.C. have upset local police by using GPS apps that pinpoint the location of speed traps and traffic cameras, according to a report on the Washington Examiner. D.C. Police Chief, Cathy Lanier, called the technology “cowardly” and warned users that they would be caught.

It’s no wonder the police are upset. According to the Examiner, from 2005 to 2008 the police cameras generated almost $1 billion in revenue. However, Lanier said the 290 cameras in the D.C. area are all about public safety and saving lives.

Apple said earlier this week that it had more than 65,000 apps available in its App Store. Currently over 1,200 of those apps are in the GPS and navigation category, although not all show you cameras and speed traps.

While Washington police admit there is no way to stop technology, the force vows to increase its efforts to ensure public safety.