Information for The Organized Crime and Corruption Reporting Project (OCCRP):
> MBFC: Left-Center - Credibility: High - Factual Reporting: Mostly Factual - United States of America
> Wikipedia about this source

https://www.occrp.org/en/feature/death-on-the-costa-del-sol-how-the-double-life-of-a-german-police-informant-ended-in-tragedy