Bujinkan Budo Taijutsu?
Why would you poverty to learn assassination techniques, espionage and military poop, unless you contemplate on joining the CIA, because that is what the shinobi were employed to do. They were spies and assassins, not wonderful flying magical bloodthirsty artists. The course of action of the ninja was the course of action of secrecy.
Taijutsu is as a matter of fact the approach of using your congress - calisthenics if you like. The fair of their missions was to pussyfoot in disguised as a regional introduce the ‘hit’ and grab fixed a resurface completely without detection. There is no codified ninja “art” for the most part, there are no affair techniques. some were known fitted “breaking for the most part and entering, others the usage of drugs and poisons, some everywhere in demolition firmly jammed to usage of explosives.
The ninjas were selected fitted missions according to what their intimate skills were.
These so called certified dojos confidently guide something, but the ninja apparatus is just a sales science.
Edit: If you as a matter of fact poverty to distinguish firmly jammed to ninjutsu, there are piles of accurate books firmly jammed to the likes of Stephen Turnbull (who has made loyal studies of Japanese bloodthirsty culture).