Answer: underworld

AnswerCrossword Clue
UNDERWORLDHades' domain
UNDERWORLDRealm spotlighted by Kefauver.
UNDERWORLDMilieu of racketeers.
UNDERWORLDCity problem.
UNDERWORLDDomain of Cerebus
UNDERWORLDRealm of hoods
UNDERWORLDThieves' milieu
underworldThe world of criminals or of organized crime
underworldthe place of departed souls
underworldThe mythical abode of the dead, imagined as being under the earth