The Stilt-House Pull Lethal Weapon 2 (1989)
The destruction of Arjen Rudd's hilltop stilt house at roughly 1:34 in Lethal Weapon 2 — Riggs anchoring a tow-truck cable around the stilts and using the truck to rip the house off its supports while Murtaugh enters from the front — is the film's most famous practical set-piece and the first major action of the post-midpoint approach. The sequence pays off a visual gag planted nearly an hour earlier and stages, in roughly ninety seconds, the asymmetric two-cop technique the rest of the film will operate on. (See beat 30.)
The setup, planted at beat 11
When Riggs, Murtaugh, and Leo first scout the stilt house at beat 11 (1:34 mark to 36 mark in the first hour), the scene includes an apparently throwaway visual: a tow-truck driver arguing with the next-door neighbor about chipping the paint on a parked car. The camera lingers on the tow truck briefly. The audience reads it as comic flavor.
"The tow truck in the early stilt-house scene is the cleanest Chekhov gun in the film. It is on screen for maybe twelve seconds. You forget about it completely. And when Riggs pulls it back out of his pocket an hour later, you laugh out loud at the setup you didn't realize was a setup." — Mick LaSalle, San Francisco Chronicle retrospective (2018)
Donner has said in interviews that the tow-truck planting was a deliberate decision in pre-production — that the stilt-house collapse was conceived first and the early-act planting was reverse-engineered to make the payoff land.
"We had the destruction. The destruction was always going to be the way the second half started. The question was how to plant it without telegraphing. The neighbor argument and the chipping paint — that's just enough to register as background and not enough to register as setup." — Richard Donner, Lethal Weapon 2 DVD commentary (1997)
The shoot
The stilt-house collapse used a combination of partial practical build, full-scale demolition, and hilltop coverage cut together in editorial. The hilltop set was a partial structure built on a real hillside in Calabasas; the demolition was staged in a parking lot at full scale on a separate set built to match; the truck-cable-pulls-the-house dynamic was filmed in three passes and integrated in post.
"We built the house. We built the demolition. We built the wreckage. The cable in the wide shot is real cable, and the truck is a real truck pulling a real practical structure off real practical stilts, but the structure that came down was not the same structure as the one we set up on the hillside. The audience sees three different houses cut together as one." — Bobby Bass, stunt coordinator, American Cinematographer (1989)
Stephen Goldblatt's photography keeps the geographic logic clean: the audience always knows where Riggs is in the truck, where Murtaugh is at the front door, where Leo is in the bedroom, and where Rudd is on the patio. The cuts are short but legible.
The structural function
The stilt-house pull is the first major action of the post-midpoint approach. Riggs has just absorbed the Vicki re-disclosure (beat 26); he has phoned Murtaugh (beat 28); Murtaugh has signed on at his house (beat 29); the partners are now operating without warrants, without backup, and without the captain's knowledge. The stilt-house assault is the technique-statement: this is what the new approach looks like in execution.
The action also extracts Leo Getz, who Vorstedt's men had recaptured and were beating for the missing money. Leo's survival is structurally important — he is the witness whose Alba Varden lead will become the next escalation rivet (beat 31). The film cannot let Leo die at the stilt house without losing its setup for the cargo-dock climax.
"It's been an experience knowing you" / "You do your duty now." — Riggs and the federal marshal handing Leo off, Lethal Weapon 2 (1989)
The line punctuates the rescue and clears Leo from the dramatic stage; he will return at the dock, but the stilt-house pull is his exit from the protective-custody plot.
What the sequence is structurally not
The sequence is not the climax. Rudd escapes; the immunity shield has not been voided; the case is not over. The film is careful to stage the stilt-house pull as Escalation 2's lead-in rather than as a closure beat. The tow-truck cable pulls a building off its supports — it does not pull the antagonist into custody. (See Plot Structure (Lethal Weapon 2).)
This restraint is part of why the climax at the dock works structurally. The film has taught the audience that spectacular destruction does not, in itself, close the case. Only the bullet through Rudd does.