An ID card for S.T.A.R.S. with Brad's picture on it.
It's Brad's S.T.A.R.S. identity card, it has his picture on it.
If you managed to acquire the
Card Case from the body of
Brad Vickers, examine it to reveal his S.T.A.R.S. card. You can then use it on the computer behind the
Main Hall reception to find out the combination for the evidence locker.