You slaved off war with the Empire twice, apparently without overt violence.
These were more sophisticated rapists; they compelled the women's cooperation without overt violence.
At any rate, overt violence is not the only type of abuse found in military families.
We did not witness any overt violence; however, the mounted riot police and the tight-leashed dogs were out in force.
The ship is repaired, but the ill will between the travelers and the gaddhi breaks out into overt violence.
We have to deal with Dash without overt violence - somehow.
It was in this phase of the conflict that overt violence was applied on the large scale by the Nigerian government.
Generally, though, people in the game industry have dismissed the concerns about overt violence.
Cells still may be used for leadership security, but, if overt violence by organized units becomes significant, cells are less important.