>>76533793
So noone knows you?
Change to cloth you never wear, get fake glasses and wear a hat you would never wear.
Take a knife with you, but leave your phone at home! Very important!
When you see the guy, take a look around, if anybody is around or if you are alone.
When you are alone, stab him in the neck and run away.
Just one stab and get out as fast as possible. People like him have many enemies, so the police won´t think that you killed him.
It´s important, that you flee on foot (or maybe bike).
Have a bag with change of cloth 2 kilometer away, to change your outfit. The colors should be totally different, like:
During attack: Dark green jacket, black pants, dark boots
Cloth for change: Red Jacket, beige pants, white sneakers
Take the bag with you and burn it (carry some Spiritus in the back so that the bag and the cloth disappear.
Get rid of the knife as well. Wash it before throwing it in some trash or a river, far away.
Its important to wear gloves and leave the area as fast as possible. Try to act normal when getting away and don´t show your face to anyone. It might happen that people will see you. Get out of sight as fast as possible. Don´t escape through straight lines, but take alot of turns.
Go to your apartment, take a shower, drink a beer or a whisky (or vodka) and relax. Eat something. Nobody will notice, that you were the one, who killed him.