Heemeyer equipped an old bulldozer with three television cameras and monitors so he could see to steer.
Heemeyer ran wires under the bulldozer.
( z1 run :ARG0 ( z2 person :name ( z3 name :op "Heemeyer" ) ) :ARG1 ( z4 wire ) :location ( z5 under :op ( z6 bulldozer ) ) )