Nancy Guthrie, an 84-year-old woman from Tucson, Arizona, remains missing and is the subject of an active investigation by the Pima County Sheriff’s Department and the FBI. Guthrie was last seen at her home on January 31, 2026, and was officially reported missing on February 1, 2026. Despite over 100 days of search efforts, including the review of thousands of surveillance videos and the collection of public tips, no confirmed suspects have been identified, and the case remains open. The investigation is currently focused on forensic analysis, with authorities testing unidentified DNA evidence recovered from Guthrie’s property and reviewing blood evidence to determine its source. State and federal laboratories are assisting in these efforts, and officials have rejected claims that the case has gone cold, maintaining that active forensic work is underway. The disappearance has drawn significant public attention and speculation, particularly following comments by retired FBI Special Agent Jennifer Coffindaffer. Coffindaffer recently proposed a controversial theory linking the case to an organized cryptocurrency extortion network, referred to as a “Wrench Ring.” She argued that the complexity of the investigation points toward experienced operators rather than isolated suspects and criticized law enforcement for not searching the nearby Sonoran Desert, which she described as a potential disposal site. Coffindaffer also dismissed earlier speculation regarding an unidentified individual known as the “Porch Guy,” suggesting he is not a key suspect. A “wrench attack” involves physical coercion to force victims to reveal cryptocurrency passwords or keys. While Coffindaffer’s theory is not confirmed, it highlights growing concerns about crypto-related crimes. Investigators continue to analyze digital records, phone data, and hair evidence, while public tips are still being processed. The case sits at the intersection of traditional criminal investigation and modern digital-age threats, with no arrests made and the suspect currently at large.