Where officers received an e-mail alerting them to possible retaliatory gang violence on part of suspects who may be stopped, a reasonable suspicion for pat-downs was present.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Sara Darrow, Central District of Illinois.Michael Ford and Cameron Hoefle were passengers in a car driven by Tyler Mincks around 2 a.m. on Dec. 4, 2015, in Moline. Mincks was stopped for a traffic violation, and police officers noticed two open beer bottles. The officers …