Green’s Dictionary of Slang

habeas corpus, an order compelling its subject to attend court.

1974		G.V. Higgins Cogan’s Trade (1975) 6: Habes [...] what habes? We had about nine hundred habes.
1996		Bob Witanek posting 1 Jul. at PrisonActivist.org 🌐 Supremes Rule: There Goes the Habe!