您要查找的是不是：
- he had been told by his immediate superior that a federal statute, the posse comitatus law, prohibits the military from exercising law-enforcement authority over civilians. 我向他抱怨说，他的部队没有阻止古巴人离开基地，可是他却告诉我，他也没办法阻止他们。
- posse comitatus [法] 武装力量
