(CNN) -- Attacks against journalists send a message.
"It clearly conveys that the government is not in favor of democratic reforms because journalists represent free speech, and free speech is crucial to democracy," said Kelly McBride, a media ethics teacher at the Poynter Institute, a U.S.-based professional journalism training center and think tank.
"The point of silencing a journalist is to pull the curtain over what's happening," she said. "The...