It is not only legally wrong to call for violence, it is universally morally wrong. If any activist called for violence, they would be arrested before you finished reading this, maximum a few days. Meanwhile, the globalist controlled mainstream media seems allowed to do whatever they want.

From the article linked below: 

Ferguson: In Defense of Rioting

''The violent protests in Ferguson, Mo., are part of the American experience. Peaceful protesting is a luxury only available to those safely in mainstream culture