X2 on apples and salt. But if that don't work, posting by the activity area with a catch Pole is very effective, very slow movers. You could also charge a lot more too.
Blind trail setting catches a lot of porkies. Spend some time looking for the access routes to the damage area. Drift fencing like for Dillos works as well.
or just wait till he comes again and do like the Turtleman did and run in and grab it with your hands. At least he had the sense to wear welding gloves I think.