vehicle to de-escalate that interaction. reporter: a recent study showed black drivers are nearly 20% more likely to be stopped than white drivers. so we built this app for people that look like jazz, andre, and myself. reporter: as black men. black men we think about parents of young teenage drivers that don t necessarily know what the dos and don ts are of being behind the wheel of a vehicle. reporter: turnsignl is now available in three states. we received calls on the platform almost daily at this point. reporter: is this app about policing the police? no, we are not a police monitoring app we are here to protect the interactions. reporter: minnesota s largest police association declined to comment but turnsignl s founders say they consulted with law enforcement to build the app, including st. cloud s police chief william blair anderson my initial reticence was because it has the potential to divide our attention and so i have come around to the viewpoint that s