John Walsh And Son Help Victims Of Unsolved Murders Decades After Their Own Family Tragedy

John Walsh has devoted his life to catching criminals, and his new Investigation Discovery series “In Pursuit with John Walsh” with son Callahan has already helped bring closure to many victims and their families. The pair tell All Access about their devotion to taking on unsolved cases nearly 40 years after the disappearance and murder of John’s then-6-year-old son.