AUTHORS

Samuel Johnson Jr., is the regional training and exercise coordinator in the Baltimore Mayor's Office of Emergency Management, where he is responsible for providing emergency-preparedness training to more than 5,000 public-service professionals.

A former Baltimore police officer who also held a managerial position with the Baltimore Housing Authority, Johnson was recognized in 2007 for his work to reduce gun crime in Baltimore with a certificate of commendation from the city's police commissioner and United States attorney. He holds a master's degree from the Johns Hopkins University Police Executive Leadership Program.