 In the series pilot, Booth was introduced as an FBI special agent in the homicide department who seeks the professional opinion of Dr. Temperance Brennan at the (fictional) renowned Jeffersonian Institute.He was eventually made the liaison between the Jeffersonian and the FBI, much to his chagrin, but he soon develops a close working relationship with the Jeffersonian team of scientists, whom Booth and his fellow FBI agents call "squints", a nickname which has since become a term of endearment Bones and her team associate him with.Booth once referred to the Jeffersonian team of scientists, whom he affectionately calls the "squint squad", as "my people".