The Asian Giant 'Murder' Hornets are one of the world's largest hornets known to man. They are often described as a 2-inch long killer with an appetite for honey bees. The times has reported that the 'Murder hornets' kill up to 50 people per year in Japan. The hornets were found in the U.S. just last year in Washington state and now scientists are trying to figure out how to stop the spread of these deadly insects.