Wikipedia:Articles for deletion/Henryk Siwiak homicide
Sources cited include international coverage in September 2001, follow up in October of that year, another follow up in January of the next year, and later a narrative of the story written for a crime journal. All of the sources feature the subject of this article. I see multiple writers, in several places, covering the story over a long period of time. This establishes 
— User:Bluerasberry, 13:34, 8 September 2016 (UTC)
Stance: keep
Cited policy: WP:GNG (Wikipedia:Notability)