But potential troublemakers never seemed far from mind.

"Especially when you select potential troublemakers and make them part of the solution rather than the problem."

But eye makeup is not the only potential troublemaker.

But potential troublemakers were hardly the only ones to end up in the files.

After centuries of watching people it wasn't difficult to spot potential troublemakers.

The potential troublemakers were virtually dragged out of the way.

Our orders are to let nobody through to the palace and to arrest any potential troublemakers.

That would be getting rid of one potential troublemaker and sending a clear warning to the others at the same time.

She suggests polite but pointed private discussions ahead of time with potential troublemakers.

Observing these potential troublemakers for a longer period may give us clues about whether they are actually a threat, the research suggests.