"The media's the most powerful entity on earth. They have the power to make the innocent guilty and to make the guilty innocent, and that's power....

"The media's the most powerful entity on earth. They have the power to make the innocent guilty and to make the guilty innocent, and that's power. Because they control the minds of the masses."

I am trying to find the source of this quote. It's said to be from Malcolm X, but I need to find an official source so I can use it in my paper. 

• If it is from a a book, a recording or a documented conversation.
• If Malcolm X said this in a speech, I need to know when and where he said it.
• If it is from an interview, a conversation, a recording, I need the primary source.

I have been searching for the past 2 hours and I haven't been able to find a reliable source.