Another important way to avoid getting in trouble for your own heinous actions, now that you have decided to become a really horrible person, is the counterattack. As soon as someone mentions any of your horrendous deeds, threaten to sue them for libel and/or slander. This has the added bonus of allowing you to sound as if you are saying you never did that/those horrible thing(s), without actually denying it/them.
Advanced tip: Sue lots of people for anything and everything you can think of. This will give your threats to sue someone added weight.