If I could see the snake(s), I would catch it/them and release it/them out in the swamps. But it might be months before I see it again and it could eat many eggs and chicks by then. It just shed again in my barn and I measured the skin which is 6' long.
I hate to kill any animal without a good reason and although I had many chances to catch this snake in the past few years, I let him alone because he seemed to be keeping my barn free of mice. But now I am losing a couple dozen eggs a week and 4 chicks disappeared this past week so I have to do something. I looked for him to no avail because there are too many hiding places in my barn. Since I can't catch him, if I knew a quick painless way to kill him I would use that method.