Daryl Gates was the Chief of the Los Angeles Police Department from 1978 to 1992. His length of tenure was second only to that of William H. Parker. As chief of police, he took a hardline, aggressive, paramilitary approach to law enforcement. source
When I was acting, I got trained in creating a character as a three-dimensional person. If you're doing it right you should be able to draw an audience into the character's world and make them feel their fears.