(Tigard, OR) -- A fugitive from Montana is finally behind bars in Oregon after several months on the run. Police arrested Sevin Griego in Tigard last Tuesday after he was first spotted in the area two days prior. He was wanted by the FBI on charges of sexually abusing children. According to the Tigard Police Department, Griego made a run for it, trying to escape through private property until he was tracked down by a police dog. He's due to be extradited back to Helena, Montana.