"Since the locks are old, and you were obviously an accomplished thief, that would probably be an exercise in futility."

From the way you described this fellow acting, though, he seems to be an accomplished thief, and that possibility hadn't occurred to us.

But they are the most persistent and accomplished thieves I have ever seen.

Only an accomplished thief could have escaped detection in that way without my knowledge.

Medusa is an accomplished thief, using her hair.

Cyrus Foley is an accomplished thief, of both jewelry and identity.

She is an accomplished thief, trained by the Vanisher.

For such an accomplished thief, you get stolen from awfully easily.

They are no longer safe when such an accomplished thief enters.

Dale is the oldest of the Twentyman brothers, three accomplished thieves who are about to be set free.