The claim that a serial killer was revealed through a grueling 33-hour interrogation circulates primarily in Danish-language sources, but TrueCrime.News has been unable to verify core details through English-language documentation.

Our research examined multiple criminal cases involving extended interrogations and serial murder confessions. The closest historical parallel involves an Alabama case from 1959, where a suspect confessed to shooting and dismembering two brothers—but after a 6-hour interrogation, not 33 hours. This case, while significant in criminal history, does not match the specific parameters of the claim under investigation.

Other high-profile serial killer cases, including the Golden State Killer (Joseph DeAngelo), who was arrested in 2018 following a DNA breakthrough, show no confirmed 33-hour interrogation in available English sources.

Without verified details regarding the specific perpetrator, victims, location, date, or final verdict, TrueCrime.News cannot responsibly reconstruct this narrative for an international audience. The absence of English-language documentation raises important questions about the case's verifiability and the reliability of sources repeating this claim without attribution.

For true crime researchers and journalists, this situation underscores a critical challenge: major criminal cases documented primarily in non-English sources can become obscured in international coverage, leading to repeated claims that lack transparent sourcing. Responsible reporting requires more than secondary references—it demands access to original case files, court records, and documented interviews.

If you have verified information about this case, including the perpetrator's identity, jurisdiction, or date of interrogation, TrueCrime.News welcomes tip submissions. Until then, this case remains unverified in our database.

**Sources:** - https://da.iogeneration.pt/sorte-enker-seriemordere-og-mere-gense-alabamas-morderiske-historie - https://da.wikipedia.org/wiki/Golden_State_Killer - https://www.youtube.com/watch?v=_x9ok3Ia5ow - https://da.iogeneration.pt/world-war-ii-veteran-murdered