Dear Mr Rahman, you were absolutely right!
Even in modern Hollywood crime movies, they are using this term in police language to describe a person
You said nothing wrong. (it is either caucasian, negorid, or asian)
from source:
https://www.merriam-webster.com/dictionary/Caucasian
Definition of Caucasian
1: of or relating to the
Caucasus or its inhabitants were forced to leave their Caucasian homeland
2: of, constituting, or characteristic of a race of humankind native to Europe, North Africa, and southwest Asia and classified according to physical features —used especially in referring to persons of European descent having usually light skin pigmentation