As far as I recollect, there were two.

What has become of the other ?" "Why, surely you don't mean Jack Sheppard ?" cried the woollen-draper in surprise.
"That was the lad's name," returned the stranger.
"I guessed from your dress and manner, Sir, that you must have been long absent from your own country," said Kneebone; "and now I'm convinced of it, or you wouldn't have asked that question.

Jack Sheppard is the talk and terror of the whole town.

The ladies can't sleep in their beds for him; and as to the men, they daren't go to bed at all.

He's the most daring and expert housebreaker that ever used a crow-bar.