David O. Brown is a thirty-three-year veteran of the Dallas Police Department, from which he retired as chief in October 2016. Now a correspondent for ABC News, he is also an adviser for Texas organizations focused on positively influencing early childhood education efforts, mental health awareness and treatment, and assistance for formerly incarcerated persons. Chief Brown lives in Dallas with his wife and daughter. This is his first book.
 
Michelle Burford is a #1 New York Times bestselling author and a founding editor of O: The Oprah Magazine. She is a Harvard-trained journalist whose work has taken her to more than thirty-five countries on six continents. A native of Phoenix, Burford now lives in New York City.