Why a visit to the cleaners at all? The stuff could simply have been burned. By trying to save a few bucks on buying new stuff, he left a link to himself. Hey if you are going to be successful at being a scuzzy child kidnap-murderer you have to learn to sacrifice! </sarcasm>
(Condolences to the Van Dams, who I hope will repent of their own sin and not become Van Damneds.)