Hans Gruber: They're ordering the others to cut the building's power. Regular as clockwork. Theo: Or a time lock. Hans Gruber: Precisely. The circuits that cannot be cut are cut automatically in response to a terrorist incident. You asked for miracles, Theo. I give you the F... B... I...


Gruber points out who the FBI agents are on the buildings monitors. He also explains to Theo that their cutting the power removes the last obstacle to opening the vault.