# In the Line of Duty 4: Witness

> 1989 film by Yuen Woo-ping

**Wikidata**: [Q3149732](https://www.wikidata.org/wiki/Q3149732)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/In_the_Line_of_Duty_4:_Witness)  
**Source**: https://4ort.xyz/entity/in-the-line-of-duty-4-witness


## References

1. [IMDb](https://www.imdb.com/title/tt0097539/technical/)
2. [IMDb](https://www.imdb.com/title/tt0097539/releaseinfo/)
3. Freebase Data Dumps. 2013
4. [IMDb](https://www.imdb.com/title/tt0097539/parentalguide)
5. IMDb
6. Entertainment Identifier Registry
7. Online-Filmdatenbank
8. The Movie Database
9. Trakt.tv
10. FilmVandaag.nl