They were accused of 'spying' for a foreign government.
a 'spy' camera/plane [=a camera/plane used for spying]
a 'spy' novel/thriller [=a novel/thriller about spies]
(..) of the Russians striking one of their own satellites. They shot down their own satellite? - Right of disposal. Most likely a spy sat gone bad. Now it's shrapnel. Explorer, ready to disengage HST. Locks releasing in three... two... one. - Explorer, new data coming through. (..)2013 Gravity