This is a 2-part interview that you must read. Contrary to what the Internet Legal Chest Thumpers say, you are better off doing some talking to the police after a self-defense encounter. But the issue becomes what and how to say which means you need to know what and how to say your piece. Just like accuracy or weapon presentation, you need to learn how to do it, prepare and even practice.
The legal cost of a trial I was told, starts somewhere in the mid six figures. George Zimmerman incurred in over $2 million in expenses. Do you have that much money in the bank? Oh, and you are not guaranteed a positive outcome even if you had the money.