estuvieron monitoreando
-they/you were monitoring
Preterite progressiveellos/ellas/ustedesconjugation ofmonitorear.

monitorear

De acuerdo con el testimonio policial, ellos estuvieron monitoreando lxs compañerxs desde el día del incidente que finalmente llevó a las persecuciones y arrestos en Bogor.
According to the police testimony, they have been monitoring the comrades since the day of the incident that eventually led to the pursuit and arrest in Bogor.
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