 Leppert ran on the pledge of reducing crime and increasing the number of police officers in the city of Dallas.He helped add 200 new police officers to the city's ranks, which resulted in a drop in crime rates each year Leppert was in office—including a 10% reduction in 2010.In January 2008, Mayor Leppert embarked on a trade mission to Monterrey, Mexico, to promote Dallas's medical, educational, and corporate institutions.