When the boy was done eating the old man he cops had shown up and saw the little boy, the boy got scared he don't want anyone to know about him an he knew if anyone found him
He had to kill them, he didn't want to do that anymore so he ran away the cops saw him
And they started to shots at the little boy he was hit in the leg by the kept running.
When the little boy got to his new location he was safe and could rest in peace, a couple hours later he started to dig his new home and on his way down he found a bunker and a hole he went inside it and found another boy he was just like him he looked like he never ate either then the other boy disappeared.