Lethal Weapon 4 is a 1998 American buddy cop martial arts action thriller film directed by Richard Donner, starring Mel Gibson, Danny Glover, Joe Pesci, Rene Russo, Chris Rock and Jet Li. It is the third sequel in the Lethal Weapon series of films. This was Jet Li's first American film debut as Wah Sing Ku.
Plot
Lorna Cole is pregnant with LAPD sergeant Martin Riggs' baby; they are not married, but both are thinking about it. Police sergeant Roger Murtaugh's daughter Rianne is also pregnant, and Riggs later learns from Lorna that Rianne has secretly married Lee Butters (Chris Rock), a ...