Where am I?

I wake up. Blinking I survey my surroundings. Everything seems cold, dark. There is a gun in my right hand and a porcelain doll in my left. What??? I drop the doll. As it hits the ground it shatters sending an echo that seems to travel on forever. I grip the gun. Without thinking I pull the trigger, it clicks, empty. Confusion spreads. What is going on here? Suddenly I hear a sound.

*Drip drip drip*

I swing around brandishing my gun high in the air. "Who's there?" Nothing answers except an echo. A wave of unease courses through me. I begin to shake. Tears fall. I tremble as I realise they are only coming from one of my eyes. I reach up. There is a sticky wet spot near my right eyebrow. I apply pressure and my fingers start to sink but no pain comes. I look again at the gun in my hand. I am sitting in a pool of blood. My blood. In fact, I am covered in blood. Where am I? Is this supposed to be Heaven? Or is this Hell? Who am I? What have I done? Why???