Wikipedia:Articles for deletion/The Betz family mystery
Only non-fringe source I could find was from https://skeptoid.com/episodes/4334 Skeptoid, so the subject doesn't pass  or  per lack of referencing ''extensively'' in reliable sources
— User:Nanophosis, 00:56, 14 June 2018 (UTC)
Stance: delete
Cited policy: WP:GNG||WP:NFRINGE (Wikipedia:Notability)