His shoes were gooey wrecks. His socks are slimy. His pants covered in mud. His coat was streaked with it where he'd wiped his hands and then sat in the mud to get closer.
Wow. Happy boy, though.
He then, when stripped of his mud walking gear, came inside and grabbed his Magnum flashlight, turned it on and started peering under the couch.
I'm not quite sure what he's looking for.