A teenager lies dying after a stabbing at a high school track meet. In the moments that follow, a frantic witness calls 9-1-1 and begs for help.In this episode of Comm Center, veteran 9-1-1 dispatcher Jon breaks down the Karmelo Anthony case from an emergency communications perspective. What was most important in those critical first minutes of the case-- how does a dispatcher balance first aid while also gathering critical suspect information for the police charging to the scene at full speed?