Ala. Code § 12-21-183: Execution of Warrants for Witnesses and Other Process in Adjoining Counties.

The sheriff, his deputy or any person specially deputed by a court of record may execute all warrants of arrest, attachments, subpoenas, etc., for witnesses or any other process issued by a court of record, during trial or within three days before trial, in any adjoining county. The sheriff, the deputy sheriff or person specially deputed may act upon a copy of such warrant, attachment or subpoena, given him over a telephone, by telegraph or by radio by the sheriff or clerk of the court.