They've got some precedence in mining/sabotage operations. In WW2 the Soviets knew that the advancing Germans would basically re-use their own headquarters buil

They've got some precedence in mining/sabotage operations. In WW2 the Soviets knew that the advancing Germans would basically re-use their own headquarters buildings, so they would rig up some pretty obvious trip-wires/mines that the unsuspecting Germans would clear out, not realizing some far more powerful booby trap was installed waiting a command signal. https://www.standingwellback.com/russian-ww2-radio-controlled-explosive-device/ https://www.standingwellback.com/russian-ww2-radio-controlle...