Dong Li burned down the carriage along with the dead bodies using someone with fire attribute inner energy.
They also killed those people with only heads who are left last for interrogation.
After interrogating them and they discovered that these people don't know anything other than their leader Master Mo is their master and have to obey his orders unconditionally.
Then Dong Li led the other peak innate masters and arranged a carriage for them to rest and live for the next few days till the day of the ambush.
After that, he doesn't follow them, as he will have to follow the convoy and report the situation of the convoy to the Chu An.
Everything became normal, as the assassins impersonated the spies and lived like them in the new eightieth participant carriage not to arouse the enemies vigilance.
While other peak innate masters hide inside some of the other carriages and behaved normally not to arouse the vigilance of enemies.