Police say 15-year-old Colt Lundy and 12-year-old Paul Gringerich, murdered 49-year-old Phillip Danner last week as a third suspect, 12-year-old Chase Williams stood watch.
According to reports, both Lundy and Gringerich shot Danner twice each with separate handguns and then quickly stole the dead man's car.
Mugshots of Lundy (L) and Gringerich (R)
It is believed they were trying to escape to Arizona to possibly sell marijuana, however police caught up with the pot smoking trio after visiting a Walmart in the state of Illinois and subsequently arrested them.
The murder had also purportedly been planned on a playground.