Green’s Dictionary of Slang

(US) the police.

1993		L. Rodríguez Always Running (1996) 72: I talk to a deputy [...] in the sheriff’s station [...] ‘We have a plan here,’ the hura says.
1993–2003		Mony Love on Urban Dict. 🌐 hura ‘Hooo – rrrah (rolled R’s)’ Mexican Slang term for the Police. Damn, Here comes the pinche Hura, coming to fuck up our party.