Please, please, use every legal resource available to you, perhaps including private suits against the thugs involved. Discourage these criminals from making future attacks.
With all the current surveillance and monitoring information available, I wonder how much pressure is being brought against the family to drop the matter or they will be treated as enemies of the state? The behavior of the agents could have easily ended in the murder of the girls or some of the agents being run over. Were these girls targeted because they were not members of any protected class?