SDCL § 7-12-1: Sheriff to preserve the peace--Apprehension of felons--Execution of process.

The sheriff shall keep and preserve the peace within the county. The sheriff may call to aid any person or power of the county as the sheriff deems necessary. The sheriff shall pursue and apprehend all felons, and shall execute all writs, warrants, and other processes from any court or magistrate for which the sheriff has the legal authority.