2 inmates who escaped from prison in Cottonwood over the weekend are back in custody after being captured in Washington. Jeff Ray with the Idaho Department of Correction says 20 year old Caleb Joe Thomas and 21 Ridge Scott Dains, both convicted of crimes in Canyon County, escaped from the North Idaho Corrections Institution on Saturday, according to an earlier statement. They were discovered missing shortly after 12 a.m outside Walla Walla, Washington.