covert

Dwight D. Eisenhower, who did consult with Congress over the need to protect U.S.-allied Pacific coastal islands from possible Chinese aggression and, in his farewell address, warned against “the military-industrial complex,” still believed “that the president had broad powers to engage in covert warfare without specific congressional approval.”

Uganda's police accused the suspects of being "engaged in covert activities that are suspected to be subversive, drawing the attention of Kenyan security forces".

Normal words such as person, nice and even smart meter all have covert, sinister meanings, the cult leader tells his followers.

During covert filming, smugglers revealed to us that they store boats in multiple secret warehouses - as they play cat-and-mouse games with German police.

It also launched covert ops against reporters and let loose a secret army of online trolls.