Posted: August 10, 2019 at 8:42 pm TWG Source Cops used blackface to go undercover in 1993. Now police are apologizing. “Not only do they not know we’re cops — they don’t even know we’re white!” one of the undercover detectives said in a 1993 account of the drug sting operation. Leave a Reply Cancel replyYou must be logged in to post a comment.