"It appears that he's been stabbed with something tiny and thin." Diggory pauses, and when he realizes that Walsingham's noticed the same thing, he shrugs. "Yer experiences hunting have served ye well. Ye'll also find this a touch interesting. We've got a series of wee footprints all about the dog." He gestures at the ground, pointing out the tracks. He reaches to his belt, checking for his knife. Once he's verified that it's there, he looks back to Trevor and then to the tracks. "Shall we follow?"