Efforts to keep virus out of prisons fuel outbreaks in jails

In this Sept. 18, 2020 photo, a woman walks out of the Cascade County Sheriff's Office building in Great Falls, Mont. (Matt Volz/Kaiser Health News via AP)

In this Sept. 18, 2020 photo, the Cascade County Detention Center is seen through barbed wire fencing in Great Falls, Mont. The jail is one of three in Montana experiencing COVID-19 outbreaks, which Sheriff Jesse Slaughter blames on overcrowding and too many inmates awaiting transfer to the state prison. (Matt Volz/Kaiser Health News via AP)

In this Sept. 18, 2020 photo, the Cascade County Adult Detention Center is pictured on in Great Falls, Mont. The jail is one of three in Montana experiencing COVID-19 outbreaks, which Sheriff Jesse Slaughter blames on overcrowding and too many inmates awaiting transfer to the state prison. (Matt Volz/Kaiser Health News via AP)

In this Sept. 18, 2020 photo, the Cascade County Detention Center in Great Falls, Mont. The jail is one of three in Montana experiencing COVID-19 outbreaks, which Sheriff Jesse Slaughter blames on overcrowding and too many inmates awaiting transfer to the state prison. (Matt Volz/Kaiser Health News via AP)