When culprits were caught, they were treated as subversives and potential saboteurs.

Although the exact mission was classified, former trainers have said the dolphins were being drilled to detect potential saboteurs.

Maybe because she knew how easily at least one potential saboteur had already penetrated Chrysalis's supposedly airtight security?

He really was almost more interesting as a test subject than as a spy or potential saboteur.

"Shepherd says Lasher and Finnerty are being watched as potential saboteurs."

Anyone with a foreign accent, including refugee children, were labelled as potential saboteurs.

The garrison consisted of a single company of Union soldiers who inspected traffic crossing the bridge and guarded it from potential saboteurs.

"You'll agree that both Lasher and Finnerty are dangerous men, potential saboteurs who should be put where they can't do any harm."

(Wisely, our guys are guarding the shore against potential saboteurs.)

He felt defenseless, denied weapons by Legion rules that said any visitor caught with a weapon would be considered an enemy - potential saboteur and assassin.