Kid turned his head towards the other, hiding any surprise he may have felt behind a smirk of his own. He didn’t respond right away, taking a few more seconds to open the lock he’d started on. Once that was done, he stood to face the other completely, casually making the equipment he was using vanish as he moved a hand up to tip his hat to the speaker in greeting, other hand sliding into his pocket.
This person had certainly been quiet, and the dark outfit they sported didn’t really give off the impression of them just being a normal bystander… however, they also didn’t seem to be antagonistic. So, other than a light caution, the magician thief wasn’t too concerned with the unexpected company.

“Hmm… if by caught, you mean seen, then perhaps… but I’m a lot harder to actually catch than I look. I appreciate the concern, though.” And now the other hand fell into a pocket as well. “Are you here for any particular reason, or just wanting to give out thieving advice?”