S.D. Codified Laws § 23A-3-17
Current with legislation signed by the governor on or before 3/6/2024
Any law enforcement officer of this state in fresh pursuit of a person who is reasonably believed by him to have committed a felony in this state shall have the authority to arrest and hold in custody such person anywhere in this state. This section shall not make unlawful an arrest which would otherwise be lawful.
SDCL 23A-3-17