Then make them do continuous community service, for the remainder of it they have left.
If that don't work then just hang or stone them in public, whatever fits your fancy.
http://www.warhistoryonline.com/featured-article/war-hero-85-dies-of-heart-attack-just-hours-after-finding-his-home-ransacked-by-burglars-who-took-wifes-ring.html?utm_source=rss&utm_medium=rss&utm_campaign=war-hero-85-dies-of-heart-attack-just-hours-after-finding-his-home-ransacked-by-burglars-who-took-wifes-ring