Zombie's that spawn because of the social system spawn at the same position as the old one

Not sure if it is a bug or that it is intended but seems to be a bug because of past updates.

http://www.youtube.com/watch?v=UQwDmapIUuw&t=18:45

you can see the zombie spawning way to close to the hit zombie
at 18:44.

also I had that a few times!