The
Office of Technical Service (OTS) (formerly known as the Technical Services Staff) is a component of the U.S.
Central Intelligence Agency, responsible for supporting CIA's
clandestine operations with
gadgets,
disguises,
forgeries,
secret writings, and
weapons. In the 1950s and early 1960s it also
researched, investigated, and
experimented the use of
drugs,
chemicals,
hypnosis, and
isolation to extract information during interrogation, as well as to make it easier for American captives to resist interrogation. OTS is part of CIA's
Directorate of Science and Technology.