FBI-CJIS Security Policy Compliance Officer
Mark Rivera, Customer Retention Manager and CJIS Security Compliance Officer with Vigilant Solutions, served for sixteen years with the Maryland State Police, retiring at the rank of First Sergeant with thirteen of those years at the supervisory and command level. He holds a Master of Science Degree in Management from The Johns Hopkins University and Secret clearance through the FBI, Baltimore.
As a trauma surgeon and a tactical medical specialist, I am often asked by law enforcement officers what caliber and type of handgun ammunition offers the most stopping power. I can't answer that question. Let me explain why.