Why does both of my rear windows dont go up or down? They had never worked since

What is your question?

Bought a 2005 cadillac deville new and both rear windows never ever worked at all. Why??

What makes this problem better or worse?

Bought car in 2005 and rear windows. Just never worked when bought new neither of the rear windows have.

How long has your 2005 Cadillac DeVille had this problem?

Since 2005 when bought car from dealer ship