Suspectedly

The employee typed on the computer keyboard suspectedly, fearing that someone might be monitoring their activity.

The child's sudden illness made the parents look at the new babysitter suspectedly.

The airport security officer scanned the passenger's luggage suspectedly, searching for prohibited items.

The customs officer inspected the traveler's luggage suspectedly for smuggled goods.

The manager inspected the faulty machine suspectedly, trying to identify the source of the problem.