Of course, Morimoto Chiyoda couldn't be one hundred percent certain that it was someone from Institute No. 47 who acted.
It's also possible that Johnny got involved in other trouble and ended up dead.
Dio ascended to Paradise.
But Tokyo remains a gathering place for agents and various factions.
It has the most Treasure Users in the world, impossible for other countries to overlook.
And with Dio's killing spree creating a huge vacancy in the underground world.
No local force to consume it, foreign powers will come to divide a share.
Territorial disputes resulting in murders occur from time to time.
Even when countries were in a state of emergency war last week, the underground forces didn't restrain themselves.
On the contrary, taking advantage of such tense atmosphere, the underground world appears more active.
Some wealthy individuals or part of the people, in times of crisis, don't consider how to rescue themselves but pursue various thrills.
