[4] Inspired by real-life Korean serial killer Yoo Young-chul, certain scenes were shot on location around Mangwon-dong in the Mapo District, Seoul.

Labeling it a "thrilling and inventive action movie", American entertainment publication Collider has considered it one of the most disturbing South Korean films of all time.

Just then, an elderly couple from the local church arrives, inquiring about the real house owner, Mr. Park; they recognize his dog.

Joong-ho's suspicions are aroused as Yeong-min has blood on his shirt and refuses to give his phone number.

Yeong-min escapes off-camera back to Mr. Park's house, where he stores Mi-jin's severed head and hands in a fish tank.

The film ends with Joong-ho sitting silently by Eun-ji in her hospital room, holding her hand.

[6] On its opening weekend it grossed US$3,914,847 and was ranked second at the box office, behind American film Jumper.

[1] The Chaser received a total of 5,120,630 admissions nationwide, which made it the third most popular film in South Korea in 2008, after The Good, the Bad, the Weird and Scandal Makers.

"[11] On Metacritic, the film has a weighted average score of 64 out of 100, based on 11 critics, indicating "generally positive reviews".

William Monahan was in early discussions to write the script, with Leonardo DiCaprio named as a potential star; no deals have been set.

Monahan and DiCaprio were both involved in Martin Scorsese's The Departed, a successful remake of the classic Hong Kong thriller Infernal Affairs .

[15] Murder 2, a 2011 Indian Bollywood psychological thriller film, is an unofficial remake of The Chaser.