The film "Internal Affairs" was filmed in Los Angeles, USA.

Filming locations:

Tunnel

In the movie

Scene where Avilla rushes home.

In reality

The scene was filmed at The 3rd Street Tunnel was built in 1901 to divert traffic between Flower and Hill streets under downtown Los Angeles. The tunnel is one block south of the more photogenic 2nd Street Tunnel and has a simpler concrete appearance. The tunnel is one-way, entering under the Angelus Plaza building and exiting through a unique rounded concrete portal.

Police station

In the movie

In reality

The scene was filmed at Los Angeles City Hall is a 32-story office building built in 1928 and was the first dedicated city hall building in Los Angeles. The building was designed in a combination of various styles and did not claim any specific style. Due to the city charter limiting building height, the tower was the tallest building in Los Angeles until 1964.