Robert Caldwell currently serves as an Investigator for the Arizona Department of Public Safety, a position held since March 2023. Previously, Robert worked for the Federal Bureau of Investigation (FBI) from April 1991 to April 2021, where roles included Violent Crimes Investigator, Task Force Coordinator, SWAT Team Operator, and Training Coordinator. Robert also contributed to a range of specialized tasks, such as serving on the Violent Street Gang Task Force and acting as a Firearms and Tactical Instructor. Earlier in Robert's career, a role as a Research Scientist at Purina Mills was undertaken from March 1989 to April 1991. Robert holds both a Bachelor’s and Master’s degree from the University of Missouri-Columbia.