In this episode of CRR Radio we talk with Assistant Chief Rich Lewellyn with the Everett (Washington) Fire Department about his Executive Fire Officer research paper that focused on using GIS to identify opioid usage and create a data-visualization tool that could help communities in allocating resources to fight this epidemic. This paper is available for download from the National Fire Academy https://nfa.usfa.fema.gov/pdf/efop/efo244696.pdf