Left to right: Dwight Henninger, chief, Vail Police Depatment, vice president-treasurer, IACP; Henry Barnet, director, Office of Criminal Enforcement Forensics and Training, Environmental Protection Agency (EPA); Mark Curran, assistant chief, Houston Police Department; Patrick Morrissey, police officer, Houston Police Department; Julie Lastra, special agent, EPA; and Stephen Dicker, senior police officer, Houston Police Department.