Back attack

In the Crag foothills I was engaged in combat and pursuing a Hardened Skeleton Archer who was running away from me and it landed 3 critical attacks in a row. First if the enemy is running away how is he hitting me and even more peculiar are the three crits in a row.
Here is the link with the combat log:
http://steamcommunity.com/profiles/76561198046864162/screenshot/189542801485982500

 

This issue with high level undead critical hit rates is known to the team. Thanks so much for your report, @sappersteel76 I am, however, unable to view what you have linked in your post.

 

We're having difficulty observing the issue as described. Can you verify if this is reproducible?