Tucked away in a corner of Washington’s Yakima Valley is the small town of Sunnyside, made up of roughly 17,000 residents, a majority of whom are Latino and some lack legal status.

In Philadelphia, an Ecuadorian man released by ICE in January was detained at his appointment in February. His lawyer said all that changed was who occupied the Oval Office.

The new guidance comes after ICE added 700,000 individuals with deportation orders to a national crime database that law ...