Cascade County authorities have launched a nationwide manhunt for Nathan Ross Harlan, who is currently at large and wanted on four charges related to petition signature fraud. The investigation began in May 2026 when election workers in Cascade County identified significant irregularities in petition signatures. Staff noticed that the handwriting on numerous entries was suspiciously similar and did not match voter records on file. A critical red flag emerged when an election employee recognized her own daughter’s name on a petition, noting that the signature and the listed Montana address were outdated, as her daughter had moved and changed her name. This discovery prompted an immediate referral to the Cascade County Attorney’s Office, where Detective Nick Allison was assigned to the case. Further investigation revealed that Harlan did not submit the fraudulent petitions under his own name but rather used the aliases of non-existent individuals, specifically referred to as "Mr. Ball" and "Mr. Diaz." Harlan is charged with soliciting, aiding, and abetting deceptive practices. Officials confirmed that there is no evidence Harlan has ever physically entered the state of Montana. However, the investigation uncovered a pattern of similar behavior in other jurisdictions, including North Carolina, where Harlan allegedly engaged in comparable activities for a candidate. A $20,000 arrest warrant is currently active, and authorities are preparing for extradition. The case has prompted calls for legislative reform regarding third-party paid signature gathering, with officials emphasizing the need for greater transparency in the election process. The Cascade County Attorney, Sheriff, and Secretary of State have jointly addressed the public, urging anyone with information regarding Harlan's location to come forward. The suspect remains at large, and the manhunt continues across state lines.