Case is alive at the state-investigative level, not just on advocacy sites
The Nathaniel Edison Williams case is very likely an active, periodically-resourced cold-case investigation rather than an administratively-dormant file, based on the official 2021 Minnesota BCA bulletin, sustained 2021 advocacy refresh, 2026 Medium re-narration, and standing $10,000 reward.
Analytical reasoning
Four independent A-grade signals corroborate ongoing institutional attention: (1) ent_022 the Minnesota BCA missing-person bulletin PDF was authored on 2021-04-21 14:25:23-05:00 in Microsoft Word 2016 by the Minnesota Bureau of Criminal Apprehension (PDF Author field), with portal image ent_021 created two minutes earlier by EXIF Artist Mielke, Jason; (2) ent_019 the GINA missing-person flyer was rebuilt from scratch on 2021-10-20 13:34:40-04:00 (Photoshop 22.5, Eastern US timezone), six months after the BCA refresh; (3) the Medium long-form by Charlie O'Brien (ent_007) carries an April-2026 publication date; (4) the PSPTips $10,000 reward post (ent_014) frames the matter as "23-year-old." The leading hypothesis (case alive at state level with periodic public-attention pulses) is very likely over the alternative that 2021–2026 activity is purely advocacy-driven — advocacy refresh does not explain the BCA author-of-record bulletin issued on official state infrastructure.