With Yanbai there, Killer B had no chance of escaping.
Still, Yanbai did not truss Killer B up. Instead, he learned about Killer B's recent "exploits" through conversation.
So Yanbai chatted and laughed with Killer B about the food at the Konoha Military Police Force.
Yanbai also helpfully told Killer B:
"If something comes up, go to the Land of Fire's police force."
"If you get lost, go to the Land of Fire's police force."
"If you need help, go to the Land of Fire's police force."
"If you have nowhere to stay, go to the Land of Fire's police force."
"If you get robbed, go to the Land of Fire's police force."
"If someone beats you so badly you're disabled, go to the Land of Fire's police force."
"If there's noise outside your home, go to the Land of Fire's police force."
In the Land of Fire, the police force held an extremely prestigious position, and its duties had been elevated to a sacred calling.
All police officers were deeply patriotic and understood that, as officers, they were there to serve everyone in the country.
Yanbai was telling Killer B not to be so afraid of the Land of Fire's police officers. They were all helpful, good people who would not casually resort to violence or killing. They would find ways to help resolve his problems.
Even if you were a foreigner, even if you were a shinobi from another village, no one would attack you as long as you did not attack first.
After spending so long hiding here and there, Killer B carefully thought back over what he had seen and heard lately. That really was the case.
What Killer B did not know was that the Land of Fire's approach to education differed from that