Shane Black, Murphy, and Boam — Sequel Authorship Lethal Weapon 2 (1989)
The screenplay history of Lethal Weapon 2 is one of the more instructive case studies in late-1980s sequel authorship: a writer-driven spec by Shane Black and Warren Murphy that the studio determined was unfilmable, a rewrite by Jeffrey Boam that became the shooting script, and a load-bearing midpoint scene added during production that does not appear in either draft. The credit dispute that followed went to WGA arbitration. The result is the canonical example of how spec-driven action sequels were professionalized in the 1980s.
Shane Black wrote the original Lethal Weapon
Shane Black sold the Lethal Weapon spec in 1985 for a then-record sum and was, at twenty-three, the most-paid screenwriter in Hollywood. The film opened in March 1987 and grossed $120 million worldwide. By the time LW2 was in development, Black was a brand: his name attached to a script signaled fast violence, sentimental men, witty banter, and a deeply nihilistic streak underneath the comedy.
"Shane wrote like nobody else. He wrote like somebody had a gun to his head. The pages had a velocity nothing else in development had. We bought everything he sold." — Joel Silver, producer, Empire oral history (2017)
For LW2, Black partnered with Warren Murphy — the Destroyer novelist, not the Inspector Clouseau writer of similar name — and delivered a draft in 1988. The Black-Murphy spec ended with Riggs's death at the Alba Varden, killed by Vorstedt's men in a death the partnership cannot reverse.
The studio rejected the death of Riggs
Donner and Silver agreed within days of reading the draft that the ending was unfilmable. The franchise was being set up as a long-running property; killing Riggs in the second film would have terminated the series and inverted the audience expectation the original had built.
"We wrote a Lethal Weapon 2 in which Riggs dies. It was darker. It was sadder. It was about how this guy had been moving toward this his whole life. The studio looked at it and said: nope." — Shane Black, The Hollywood Reporter (2018)
Black has been clear in interviews that he understood the decision. The studio wanted a third and fourth installment; killing Riggs closed the franchise. The argument was commercial, but it was also structural — the LW1 climax had stabilized Riggs's wound, and a sequel that kills him erases the LW1 redemption.
Jeffrey Boam came in to rewrite
Silver brought in Jeffrey Boam, who had just delivered the shooting script for Indiana Jones and the Last Crusade. Boam's reputation in the late 1980s was that he could rewrite a spec without erasing it — that the changes felt like extensions rather than overwrites.
For LW2, Boam kept the South-African-Krugerrand spine, kept Leo Getz, kept the diplomatic-immunity climax structure, kept the toilet-bomb sequence, kept the helicopter trailer attack — and reworked the third act so Riggs survives. The "It's just been revoked" line, the "I'm not a cop tonight" phone call, and the wind-down banter at the dock are all in the Boam draft. (See Jeffrey Boam (Lethal Weapon 2).)
The Vicki re-disclosure was added during production
The Boam November 1988 draft preserved at reference/screenplay-draft.txt does not contain the trailer-chair Vicki re-disclosure speech that became the film's structural midpoint and most load-bearing scene. The midpoint in the Boam draft is the helicopter trailer attack and Riggs's escape; Vorstedt's role does not include the Vicki speech.
The reattribution of Vicki's death from accident to contract murder was added between the Boam draft and the shooting cut, almost certainly during production. Donner has implied in interviews that the speech was developed in conversation with Mel Gibson during pre-production and finalized during the shoot.
"We were shooting and Mel said, what if Vorstedt knows? What if Vorstedt is the guy who did it? And we sat in a hotel room one night and worked it out. Boam came in and wrote the speech. Derrick rehearsed it for an afternoon. We shot it the next day." — Richard Donner, Lethal Weapon 2 DVD commentary (1997, archived)
The film's structural identity — the only LW film whose central conceit is a midpoint reveal that retroactively rewrites the previous installment — was a third-week-of-shooting decision. (See The Vorstedt-Killed-Vicki Reveal.)
This is unusually consequential. The trailer-chair speech is not a small adjustment; it is the scene that converts LW2 from a generic action sequel to the structurally distinctive film it became. That such a load-bearing element was added so late raises a more general question about how much of the structure of major studio films is determined in the writing room versus in production.
The credit dispute
WGA arbitration on LW2 awarded Boam sole "screenplay by" credit and gave Black & Murphy "story by." Black has said in interviews that he was disappointed but understood the decision — the shooting script was substantially Boam's, and WGA arbitration is structured to credit the writer who delivered the final draft.
"I was a kid and I had written a movie I cared about. They made a different movie. By the time it opened I had moved on, but the credit hurt. The arbitration was fair. The decision was right. It still hurt." — Shane Black, The Hollywood Reporter (2018)
The Black-Boam pattern recurred. Black sold The Last Boy Scout (1991) to Silver; Silver brought in writers. Black sold The Long Kiss Goodnight (1996); the studio rewrote it. Black's eventual move to writer-direction (Kiss Kiss Bang Bang, 2005; Iron Man 3, 2013; The Nice Guys, 2016) was partly a response to the spec-rewrite culture LW2 exemplified.
What the sequel-authorship pattern tells us
The LW2 case is, in retrospect, a preview of how Hollywood handled writer-driven specs through the 1990s. The high-priced spec is bought; the studio considers it; the studio decides the spec is too writer-driven to be filmed; a producer-trusted rewriter is brought in; the rewriter delivers a shootable script that preserves the spec's structure but fits the studio's commercial frame; the original writer is credited at the level WGA arbitration permits. Boam was the most successful rewriter of his generation precisely because he understood the brief.
The fact that LW2's most distinctive scene was added in production by Donner and Gibson rather than by either Black-Murphy or Boam is the deepest twist. The structural innovation belongs to none of the credited writers. It belongs to the production.