^^^ Wow. Get a .22 and box of rounds. Give the creature a humane death. 2 subsonic rounds near the ear should do it. If anybody ask about the sound, tell them it was a car or mower backfiring.
https://media.tractorsupply.com/is/image/TractorSupplyCompany/3502077?$456$
I used this. You can get smaller or larger openings. Only about $25.00 and 4' x 16'.