Let me chime in just a tad:
I think it all boils down to being a critical thinker. Not saying you have to over analyze everything, but just be perceptive and ask questions. Some people are incredibly gullible and the lot of the general public does tend to think that because its broadcasted by the media its all factual.
As for for this particular issue, I'm really confused. I don't like how the media is trying to paint this atmosphere *"muslim who listens to rap and was possibly brainwashed). Idk about anything else tho.