Kensi's line about the one armed man is a nod to the movie & tv series The Fugitive. Referenced again when Sydney mentions Harrison Ford.
Johnny Mandel is the man who composed the song "Suicide Is Painless", that was the theme song to both the film treatment, M*A*S*H (1970) and the series M*A*S*H (1972) of the book "MASH: A Novel About Three Army Doctors" by Richard Hooker. MASH is an acronym which stands for Mobile Army Surgical Hospital and it took place during the Korean War.