Carlos Palazuelos, a person of interest in the Nancy Guthrie disappearance case, has announced his intention to file a lawsuit against the Pima County Sheriff's Department. [1] According to court documents, Palazuelos was never charged with any wrongdoing related to the case and believes he was detained unlawfully by law enforcement officials. The threat of legal action comes as the investigation into Guthrie's disappearance continues without a clear resolution. [2] In its response, the Pima County Sheriff's Department has denied any wrongful detention claims, stating that Palazuelos' involvement in the case is still under investigation and that his status as a person of interest does not necessarily mean he was detained unlawfully. [1] The situation highlights the complex nature of criminal investigations where individuals may be held for questioning or evidence collection without being formally charged with any crime. The potential lawsuit could further complicate an already contentious legal landscape surrounding Guthrie's disappearance. [3] Both parties have maintained their positions, with Palazuelos claiming he was wrongfully detained and the Sheriff's Department maintaining that his detention was lawful and necessary for the investigation. [1] The case remains open as authorities continue to search for clues in the mysterious disappearance of Nancy Guthrie, a 42-year-old woman who vanished from her home in Tucson, Arizona on June 30, 2026.