Frank was raised in rural Minnesota and is the 6th of 10 children, named in alphabetical order. Frank was raised with a hard work ethic, in a family of musicians and storytellers. He became a forensic psychologist specializing in homicide, sexual assault and domestic abuse cases. He uses his unique understanding of how predators think, knowledge of victim trauma, and expert testimony in writing his true crime thrillers. Frank has been interviewed on investigative shows and profiled cold case homicides. His novels have earned numerous awards. Frank is the 2024 recipient of the Outstanding Achievement Award from Minnesota Psychological Association and received the President's Award from the Minnesota Correctional Association for his forensic work.