Angry at the death of his older brother, Saki joined the Foot Clan and trained to be a ninja. He quickly became one of their deadliest warriors and rose up the ranks and was chosen to lead the Foot's American branch. Operating in New York under the name of The Shredder, Saki used the opportunity to avenge his brother by killing Yoshi and Shen. Under Saki's leadership, the Foot participated in variety of criminal activities, including drug smuggling, arms running, and assassination.