 Benzodiazepines have been used as a tool of murder by serial killers, and other murderers, such as those with the condition Munchausen Syndrome by Proxy.Benzodiazepines have also been used to facilitate rape or robbery crimes, and benzodiazepine dependence has been linked to shoplifting due to the fugue state induced by the chronic use of the drug.When benzodiazepines are used for criminal purposes against a victim they are often mixed with food or drink.