The scene takes place with Mel Gibson trying to talk a person out of committing suicide and ends up leaping off the building here with the person to a net below.

Lethal Weapon

Lethal Weapon is a 1987 American buddy cop action film directed by Richard Donner. It stars Mel Gibson and Danny Glover as a mismatched pair of L.A.P.D. detectives, and Gary Busey as their primary adversary.

• http://en.wikipedia.org/wiki/Lethal Weapon
• Gordon, W. A., 2002, The Ultimate Hollywood Tour Book, North Ridge Books, Lake Forest, CA, 272 p.