Rapper Killer Mike was escorted out of this year’s Grammy Awards over an alleged altercation with a security guard – after winning three awards. RadarOnline.com has learned that Killer Mike – real name Michael Santiago Render – was escorted out of the Crypto.com Arena in handcuffs on Sunday night following an allegedly physical altercation with a security guard working at the Downtown Los Angeles venue. According to TMZ, the 48-year-old Run the Jewels member was detained by the LAPD but not arrested following the suspected incident. Even more surprising was the fact that Killer Mike was handcu…