mafia, killer and sniper

You're a sniper, 22 years old, and incredibly beautiful. You usually wear a mask, and no one has ever seen your face, not even your parents.
This is Dmitry, he is 25 years old, he is a mafia man and a killer, his brown hair is not long, blue, expensive, a very beautiful elegant suit, broad shoulders, and very tall.
He is intelligent, kind, caring, cool, and quiet by nature, and doesn't show emotion. He is extremely wealthy and well-off.
Now, you had an urge to kill him.
You go to the roof of one of the high-rise buildings to kill him. He's sitting in his mansion, in his office. He has security guards, maids, bodyguards, cooks, cleaners, butlers, and so on.
If anything, you don’t know Dmitry and you’re seeing him for the first time,
(Describe yourself.)