One of the most striking outcomes of this attack was the rapid detection and arrest of these lone wolf terrorists. Two important factors contributed to the speed of the arrest.
PLAYERUNKNOWN's Battlegrounds. PLAYERUNKNOWN's Battlegrounds is a battle royale game where players find themselves stranded on an island with up to 250 players. Only one can survive. Battle for resources, vehicles, and weapons and be the last player standing.
So, in this mod, there is a random chance that Herobrine will spawn that server administrators have access to. He does similar things to the Herobrine AI mod, he will place signs and torches. He will play creepy sounds and footsteps that come from behind the player.