What is the story behind The ZAC Foundation?

Karen and Brian Cohn co-founded The ZAC Foundation in 2008 after the loss of their six-year-old son, Zachary Archer Cohn, in a pool drain entrapment in their backyard swimming pool. As conscientious parents, they thought they had done everything they could to protect their children around water, including providing swimming classes, laying out the rules of the pool, and ensuring appropriate adult supervision. Zachary, like many other children who have become entrapped, was a strong and proficient swimmer; but his swimming skills were not enough to combat a drain entrapment, which is equivalent to hundreds of pounds of force (300 pounds per square inch).