He swore under his breath. Really, he should just close the door and tell them to come in or go away. He was already up though and considering he hadn't a solid meal today, his liquid diet made for more poor choices.
When the bushes rustled, Jack leaned out and shot at where a body should be to rustle it. He wasn't stupid enough to think someone was so bad at moving around they'd rustle bushes. He had, however, used one of his bullets in spite and temporarily made himself seen.