Do you know Sulfuric acid terror?

15 years ago, 1999,5/20, one boy get sulfuric acid in his body. You know that when Sulfuric acid get in to your body, your body will get melt. But one boy he was doing just normally and when he was going to his mom, He or she threw the sulfuric acid to his body and face. It was terrible. Because he was just 7 years old and he died only age 7. Still the poilce can't catch the criminal. But, to poilce it has many chance to caught the criminal. Because Tae whan kim who get sulfuric acid, he said the criminal clothes and his face. But the poilce said, "I can't beileve. Because he get sulfuric acid in his body and now he is panic. So if he is panic, the truth can be a lie." What is this..! Only that he is panic, poilce can't believe?!! It is terrible. Even he is panic, he saw the criminal face and clothes. It is truth and poilce has many chance to caught the criminal. One day, Tae whan Kim friend said that he saw the criminal and he can remember what his face. And he said exactlly same with what Tae Whan said. But!!! One more time poilce can't accept it. Because the one reason that he is
Disabled. Even he is disabled, he can read, he can talk normally and he can remeber well like normal people. What IS THIS..! Really Really it has many chance. And when Tae whan kim said, " I have a wish for me and my family. Please caught the criminal who threw the sulfuric acid in my body. And when he get caught please punish him." It was last wish before he died. We can wishing his wish. Because we have a time for 90 days. Because we said Statute of Limitations have to be stop. And then the result was poilce said they can give 90 more days. Please help the family and Tae Whan kim