Cruelest prank ever? Husband pretends to throw his toddler son off balcony in front of horrified wife... and she doesn't find it funny

Roman Atwood set up cameras and enlisted the help of his two sons in an elaborate attempt to frighten his unassuming wife and fool her into thinking he'd accidentally killed their toddler son(pictured).The stunt, which was posted on YouTube and already has almost 5 million views, begins with Atwood playing with his son, who is dressed in a Spiderman costume covering his face, on the top floor of their California home.