Where was In the Line of Duty 4: Witness filmed?

1989 film by Yuen Woo-ping

In the Line of Duty 4: Witness (1989) was filmed in Hong Kong and Seattle, 2 places named in its Chinese Wikipedia’s article, in Hong Kong, the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data