Felony murder.
Execute all three.
Execute all three.
= = = = = = = = =
That is far to humane.
Need a tractor pull set up. Take the guiltiest of the three and put him in the middle, take one and secure him to the legs of the middle guy and the other one to the neck.
Then hook them up to three or four tractors in a muddy field and pull pull pull pull
OR
Spread eagle stake them out over an ant hill.
Pour honey, leave in sun.