The guys who have gotten murdered and who is a murderer:
brown was long dead before anything ever happened,
Tree has gotten about 100 people,
Yellow is just a dead husk needing its soul back,
Tan has gotten about 40 skule inside of him,
White has killed over 10 quintillion people,
Pink has just murdered 2,
Blue hasn't murdered anybody, but he has forced people to join his cult
And black, has murdered ? many people.