MrBeast, who recently became the most subscribed YouTuber, teamed up with Darren Jason Watkins Jr., famously known as IShowSpeed, in the $100,000 Wipeout challenge. Later, MrBeast says if he has not completed the course, he won't get the money, and if IShowSpeed tries to run away with the money, he will have to call the police on him. Here's how …