Ok I did it... Now what?

This post is highly disturbing.

Step 1: buy a musket, they don't have rifled barrels. They can be very tiny. Step 2: wait for night to come.

If you murder everyone you there won't be any witnesses

Somewhere beyond happiness and sadness I need to calculate What creates my own madness And I'm addicted to your punishment And you're the master And I am waiting for disaster [Chorus] I feel irrational So confrontational To tell the truth I am Getting away with murder It isn't possible To never tell the truth But the reality is I'm getting away with murder (Getting away, Getting away, Getting away) I drink my drink and I don't even want to I think my thoughts when I don't even need to I never look back cause I don't even want to And I don't need to Because I'm getting away with murder [Chorus] Getting away, Getting away, Getting away, Getting away, Getting away, Getting away,  Getting away, Getting away, Getting away,  With murder Somewhere beyond happiness and sadness I need to calculate What creates my own madness And I'm addicted to your punishment And you're the master And I am craving this disaster

What about the murder weapon or witnesses?