Welcome to Assassin's Creed Wiki! Log in and join the community.
User blog comment:KillHil/Assassin’s Creed III Ventures into the Wild/@comment-184.3.73.253-20120417221754/@comment-4829046-20120418072751
He is down wind. According to the new game mechanics enemies can't see or smell you depending on wind or fog, pretty much the same effect as a smoke bomb.