Israel has proposed a radical idea: to use crocodiles to guard prisons. The Jewish state has reportedly reclassified Nile crocodiles as “tended” animals, which could clear the way for the animals’ use as part of prison security.

The controversial proposal to surround prisons with crocodile-filled moats was reportedly floated late last year by far-right National Security Minister Itamar Ben-Gvir. The politician argued that the reptiles would strengthen security and deter escape attempts. The plan was initially deemed legally unfeasible by the Israel Nature and Parks Authority because Nile crocodiles were classified as wild animals that could only be kept in zoos and wildlife sanctuaries.

Read more: Israel Proposes Surrounding Prisons With Crocodiles (how symbolic)