Items found include handmade weapons, other items that can be fashioned into weapons and unauthorized electronics equipment.

The South Dakota State Penitentiary and Jameson Annex were placed on lockdown status overnight in Sioux Falls. Around 11:30 PM,Sunday (September 15), both facilities were locked down. 'The South Dakota State Penitentiary and Jameson Annex are being placed on lockdown status. We do not know at this time how long the lockdown will last.

The DOC placed the South Dakota State Penitentiary and an adjacent maximum security facility on lockdown status for reasons unknown on Sunday.

The South Dakota State Penitentiary and Jameson Annex in Sioux Falls have been placed on lockdown status as of 11:30 Sunday night. According to a release from the Department of Corrections, it is unknown how long the lockdown will last.