By different groups do you mean clandestine ATF and FBI pretending to be "right wing extremists?" Didn't 0bama's role model Hitler do something similar?
Hitler do something similar?
Yep. Look up “Operation Canned Goods” and you’ll see how he staged an attack on a German radio station and used concentration camp inmates dressed in Polish uniforms to fabricate the story of the attack. The inmates didn’t survive of course.....