Pawn Stars’ Rick Harrison is mourning the loss of his son, Adam Harrison, following the tragic news of his death. Rick already suffered the loss of his late father, Richard ‘The Old Man’ Harrison five years ago. Now, his son has sadly passed away at the age of 39. History Channel‘s Pawn Stars focuses on Rick Harrison, his family, and their Gold & Silver Pawn Shop based in Las Vegas, Nevada. Over the years, viewers of the series will have gotten to know the thrifty reality TV star, his late father, son Corey Harrison, and Austin ‘Chumlee’ Russell. However, less may be known of Rick’s late son, …