Butler County Sheriff Richard K. Jones spoke to inmates inside the jail in Hamilton, Ohio. Half of the jail’s beds have been contracted to Immigration and Customs Enforcement.

Maddie McGarvey for The New York Times

By Allison McCann

The reporter interviewed eight sheriffs from seven states and visited the Butler County Jail in Ohio.

Vans carrying immigrants arrive at Ohio’s Butler County Jail, about an hour north of Cincinnati, throughout the day and night. They come from across the state, from Illinois, Michigan and even Arizona. Some detainees will spend a few nights here, others weeks, as they wait to be deported.