ICE uses controversial program to boost deportations. Here's how it works in 1 county

Details on how ICE cooperation agreements work in practice have been hard to come by. NPR took a close look at how sheriff's deputies in Walton County, Fla., approach immigration-related arrests.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/4500x3001+0+0/resize/4500x3001!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Ffc%2F14%2F67691966454bbb7da1b7a4565eba%2F287g-immigration-fl-0484.jpg' alt='Walton County Sheriff's Office Sgt. Oscar D'Lassalas, 40, an officer certified to enforce federal immigration law, stands on the road to the jail where undocumented people are held for federal Immigration and Customs Enforcement agents to pick up. The sheriff's office in this Florida Panhandle city has partnered with ICE.'/><p>Details on how ICE cooperation agreements work in practice have been hard to come by. NPR took a close look at how sheriff's deputies in Walton County, Fla., approach immigration-related arrests.</p><p>(Image credit: Nicky Quamina-Woo for NPR)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5911838' />