 Actor James Sicking has died of complications from dementia. That word from his publicist. Margie Zaraleta has a look at his career. Just gives you a gall darn memo, Frank. James Sicking based his performance of SWAT leader Howard Hunter on Hill Street Blues on a drill instructor he had in basic training. He won an Emmy for the role in 1984. Sicking said in a 1991 AP interview, for years he'd be recognized in cities where Hill Street Blues was airing in reruns. You can always tell a cabbie looks at you in the mirror and goes,