Gifts to the unfortunate

This is just a small short story that I had to write for my creative writing class. I thought the topic was interesting and decided to share it with anyone wanting to read. Hope you enjoy and please give me feedback on what you think
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Finally, after all these years of planning and execution, William Marshall stands at the bottom of the steps of the River County Bank. His brown hair is slicked back perfectly with not a strand out of place, a wrinkle is not in sight on his button up, and it is neatly tucked into his slacks. Not only has William been planning this day for what seems like an eternity, it is also his birthday. May fourteen, a beautiful spring day, the perfect kind of weather for a trip to the bank. A wide smile is plastered onto William's face and to anyone passing by he would look like any average, normal, happy guy. However, if you look closer you may be able to notice the slight twitch in his right eye.

Like clockwork, Will checks his wristwatch then straightens his collar. "It is not yet time to go in." He thinks to himself. The exact time William will go in is 5:15 PM, not a minute more, not a minute less. This is the time his father came home everyday from work when William was a child. It is also the time his father would beat him everyday. The time his father would call him stupid, worthless, and many other countless names. The time William's father would come home with no presents for him on his birthday.

Will checks his watch once more and watches the seconds count down. Tick, tick, tick. Sweat begins to bead on his forehead. The second hand continues its trip around the watch until finally, it reads 5:15 PM. He sucks in a breath and opens his briefcase to reveal a ski mask and handgun. With confidence, William puts on the ski mask and treads up the stairs. Each step gets harder to climb as the doors to the bank get closer. The walk seems as if it is going on forever and so many thoughts are racing through Will's brain.

"With all of this money, no child will be left without a present on their birthday. Every penny will be going to the children just like me. All of the people who have told me my entire life that I cannot do anything will be lining up on the streets to apologize to me." Will thinks to himself. Finally, he reaches the doors and with a swift push, enters the building. "This is for you Dad." He says out loud. And just like that, William raises the gun towards the air and fires at the ceiling. Screams of chaos are heard all throughout the room. "No one's going anywhere until I have the money in the bag!" Will shouts. An expression of pure satisfaction is written on every square inch of his face.