It’s like: The bomber yelled an Arabic phrase but we are no sure of his motives” or “the Mugger was 5’ 10” 190 pounds wearing black shirt with green lettering saying Kennedy Fried Chicken but no one remembers his race.”
The absence PROVES the obvious.
My local yellow journal tried for a time to convince readers that “no meaningful description was available” with zero details for minority perpetrators but was appropriately heavily mocked in response, and now no description whatsoever and no supporting excuse is given, even if it’s a dangerous offender on the loose.