Studying the first two stages of the zombie attack could be the only way to gain knowledge about your zombie attackers, learn how to survive a zombie attack by learning from your enemy in this free video.

Expert: Bert DiVietri & Andrew Marshall
Bio: Bert and Andrew have survived over 30 Zombie attacks in their 15 year career as Zombie Survival Specialists. Together they started ZSA (Zombie Survival Association).
Filmmaker: Bartholomew DiVietri

Duration : 0:1:28