By chhun sun chhun.sun@gazette.com -Authorities found a missing teen inmate Thursday morning after he did not show up from his unsupervised work release, according to the Douglas County Sheriff's Office.Richard Jacob Olejniczak, 18, was arrested about 10:45 a.m. Thursday by the Parker Police Department. He will be taken to the county's detention facility.Olejniczak did not make his scheduled return early Thursday, setting off a search.