1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) the law enforcement agency of the justice department that operates a nationwide system of prisons and detention facilities to incarcerate inmates sentenced to imprisonment for federal crimes 2) a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) 3) the small projection of a mammary gland 4) the underside of footwear or a golf club DOWN 1) nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate 2) chocolate cookie with white cream filling 3) a deep prolonged sound (as of thunder or large bells) 4) fill to satisfaction ** Scroll down for solution. ** Are you sure you want to peek? bops area teat sole