Use the live-box traps. I use cat food as a bait. I've found that if one leaves the cat food can loose in the trap, the coons will dig under the trap until they can move it to the side and eat it without tripping the trap.
So, put the cat food can behind the pan, and use a steel rod like an electric fence post to go from the top of the trap, through the cat food can, into the ground. They can't move it and will come through the front and get trapped.
.22 finishes the deal.
Will the live traps you get from Atwood's work?