The old man tried to stop him many times but he failed. Not his words or his actions could stop the boy from juggling dangerous weapons about where they could hurt others.
Eventually the heroes were done with their investigations. This relived both the old man and the boy, who was bored out of his mind. They were happy to finally have something productive that they could focus on.
They listened to the investigation report attentively.
"The murderer is male, at least 400 kg in weight, and 1.64 meters tall. We got his sex from the percentage of testosterone in his body odor. We got his weight from the indentations in the ground that he made with his foot steps. We got his height from the length of his stride."
The boy interrupted, "So he a short, fat bastard. Get to the good bits."