Complex sentence: Still wary of Brinks' image, Tony breaks in one night after casing the building, to find that only two doors in the building are locked, and one is easily bypassed by leaping a gate.
Split into simpler sentences: Still wary of Brink's public image, Tony breaks in one night after casing the building. He finds that only two doors in the building are locked, and one is easily bypassed by leaping a gate.