George, Milton, and Fernando, all 18, decided to rob a bicyclist on a trail in the early

Question:

George, Milton, and Fernando, all 18, decided to rob a bicyclist on a trail in the early morning in Pacific Heights. They grabbed a bicyclist who, to their dismay, promptly produced a .25 caliber handgun and shot Fernando through the heart. George and Milton jumped in their car to speed away but promptly crashed. The bicyclist never has been found. Of what crimes are George and Milton guilty?