"Chuck Norris, at the age of 65, passed away from a massive heart attack. He was at his home working out on his Total Gym, having sex with his wife, fighting three ninjas, and playing with his kids when he suddenly complained that a train was running over his heart. The autopsy shows that Chuck Norris did not have a heart, nor was he even human"
Yes, the government kept it a secret because the death of Chuck Norris a secret because they are making millions off of Chuck Norris facts and clothing.