Clark County deputies helped build a case that led to the arrest Wednesday of a Portland man who allegedly robbed 21 restaurants and retailers over a six-week stretch. Detectives with Portland’s Special Emergency Reaction Team on Wednesday took into custody 49-year-old James Robert Wiley, who was arrested on suspicion of armed robberies in Clark County and Clackamas, Washington and Multnomah counties in Oregon, according to a news release issued by Portland police.The news bulletin announced the arrest of a “prolific armed robbery suspect.”Wiley was arrested after he was stopped in a vehicle at Northeast 81st Avenue and Fremont Street in Portland. Detectives searched his vehicle and a nearby hotel room, and recovered two replica firearms and other evidence they allege connects him to the robberies. The robbed businesses included hair salons, a cigarette shop, a market, a flower and gift shop, a gelato place, a jewelry store, three Subway sandwich shops, a Big Lots store and a Pizza Hut, police said.The armed robberies were committed between Dec. 27 and Feb. 4. Wiley was believed to have robbed Hair Face & Nail Place, 6400 N.E. Highway 99 in Vancouver, on Jan. 6.