Realistically, all of them would be considered guilty of the crime by simply being in the kitchen when it happened.
A conviction hungry DA would use the same laws that apply murder charges to the guy who drove the car. If it happened, and you could have theoretically known it was going to happen, and you still participated in any conceivable way, you also legally committed the crime.
This is one of the many ways this country persecutes black and brown people to feed the prison labor industry.