Frank Figliuzzi, some former FBI jackass on MSNBC made the claim that '88' is a secret Nazi code:
"As the former FBI official explained in the broadcast, the number 88 holds symbolic importance for white supremacists because the letter H is the eighth letter in the alphabet. Thus, 88 is a stand-in for HH, which in turn is an abbreviation of Heil Hitler."
townhall.com/tipsheet/yuichirokakutani/2019/08/07/former-fbi-topbrass-trumps-halfstaff-order-is-dogwhistling-white-supremacists-n2551350