Be on your guard against pickpockets, Ken.
Look out for pickpockets.
Beware of pickpockets.
One of the pickpockets blew the whistle on the other two.
Above all, beware of pickpockets.
Look out for pickpockets.
Rumor says that she is a pickpocket.
Some brave passengers caught the pickpocket and turned him over to the police.
The policeman called attention to the problem of pickpockets.
The policeman called attention to pickpockets.
The police arrested the pickpocket in the act.
Look out for pickpockets on crowded trains.
A friend I went with on our first trip abroad had his wallet pickpocketed. I don't think it left a very good impression.
He seized the pickpocket by the collar.