Dr. Ross P. Berkeley (Medicine) virtually presented "Las Vegas 1 October Mass Casualty Shooting: Lessons Learned" to medical students at Hackensack Meridian School of Medicine.  Berkeley discussed perspectives on the deadliest mass shooting in U.S. history from the viewpoint of being on scene as a tactical physician with the Las Vegas Metropolitan Police Department SWAT team, as well as the psychological impact on residents and faculty in his role as program director of the emergency medicine residency.