Filming and production started for the fourth installment of the Lethal Weapon series.
Lethal Weapon 4 officially premiered and was released to theaters worldwide.
Detective Roger Murtaugh considers retirement and contemplates spending more time with his family after years of service.
A young girl named Lee Butters, son of a prominent Chinese diplomat, becomes the focal point of an international criminal case.
Martin Riggs begins working closely with Roger Murtaugh, and Murtaugh's family prepares for the birth of a new child.
Riggs and Murtaugh uncover a large-scale counterfeit money operation linked to a Chinese Triad gang smuggling illegal immigrants.
The detectives confront the Triad leaders during an attempted immigration raid, resulting in violent exchanges and escalating tensions.
Riggs and Murtaugh execute a daring rescue operation saving several illegal immigrants from human traffickers.
Nick Murtaugh becomes involved with gangsters, adding personal stakes for Murtaugh and complicating investigations.
The final confrontation between the detectives and the Triad gunmen at the shipping docks where smuggling occurs.
