Ferguson: Why was the grand jury decision kept secret for hours?

During the height of the months-long protests in Ferguson last summer, police said demonstrators could protest all they want -- as long as they stayed home after dark.

The reasoning back then: Troublemakers from outside the city come in to create chaos under cover of darkness, making police's job of maintaining order difficult.

And yet, even though a grand jury reached a decision on whether to indict Officer Darren Wilson by Monday afternoon, the decision wasn't publicized until hours later -- around 8 p.m. in Missouri.

So why did officials wait so long? .... http://www.cnn.com