I shot a fawn last year with crossbow. after 20 yds the trail seemed to stop so I decided to pull back and give it more time. walked directly toward my house and 20 yards from where I was trailing I saw more blood....then I stepped out of the woods and found the deer laying right in front of my garage. It must have doubled back...why I have no idea because it was a double lung shot ...all told it ran maybe 40-50 yards.