"It's obvious. Maybe you should try opening your eyes or, god forbid, doing your job."
Sherlock continued texting, looking things up on his mobile before pocketing the device.
"The culprit got close. If an adult came after you looking unhinged, you'd try to avoid him, run away or fight back. If a child came after you, you'd think he was upset and let them close. All the wounds are inflicted at an upward angle. The boy had to reach up to attack his victim initially. The victim has defensive wounds but didn't fight back."
Sherlock's mobile vibrated. He pulled out the device and flashed one of the pictures on the screen. Green graffiti that said DADDY LOVES YOU.
"They're related. What the hell kind of research have you been doing?"