hubieran infiltrado
-they/you had infiltrated
Past perfect subjunctiveellos/ellas/ustedesconjugation ofinfiltrar.

infiltrar

Si tuviera alguna afiliación conocida a un grupo progresista o de izquierdas sometido a vigilancia o en el que se hubieran infiltrado las autoridades, ¿no habrían marcado y asaltado su apartamento?
If he had a known affiliation with a progressive or leftist group that was infiltrated or spied on by authorities, might not his apartment have been flagged and raided?
Hay un dicho popular que dice que uno debe planificar su seguridad como si ya lo hubieran infiltrado.
There is a popular saying that you should plan your security as if you have already been breached.
Word of the Day
relief