Serial Killer Part 3

He was sitting and hug his best friend grave, the best friend parents told him someone has killed him cruelly. He heard and got so angry, he asks his best friend parents who kill him, the parents don't know who kills his best friend.

 parents take him to the house, he went to his best friend house and went to his room, he cried and sit on his bed his he remembers his best friend words, don't leave me whatever happens, I won't leave you and go I promise from the bottom of my heart, his best friend give a chain, and he told to his best friend, This chain is for you don't ever take out whatever happens, 

 He opens his eye and saw a letter on the table, he went to his table and open the letter 

 He read the letter that his best friend got wrote for him, I am sorry for everything, that I had done for you, when I had a friend a lot I forget about you, I had a wrong friend who had to teach me the wrong way, I know I hurt you a lot, I hit you, I felt guilty and sorry for you, I had learned my lesson, I had come to the hospital to say sorry to you, I want you to open your eyes to look at me but no you keep mentioning my name, I hug you and say sorry, and before I left I look at you, to say bye but u didn't open your eyes, 

I miss you so much, The letter he read end there, while he read the letter his tears flow. 

He wants to know who had killed him why he did that, why he need to be so cruel to kill his best friend, He wants to find about it and he squashed the paper in anger and went out of his best friend house