Nancy Guthrie Kidnapping Day 51 — NO ARREST, New Evidence Emerges 51 days after Nancy Guthrie vanished, there is STILL no arrest — but investigators are now zeroing in on new evidence that could change everything. Tonight, retired NYPD detectives break down the latest forensic developments, enhanced images, and the emotional plea from Nancy’s family as pressure builds on whoever is responsible. Is this case one critical break away from being solved — or are investigators closer than they’re letting on?