Deputies arrested an 18-year-old accused of shooting a Paulding County man over a dirt bike purchase and escaping in a ride-share service. The Paulding County Sheriff's Office arrested Oscar Ubaldo Vega-Aguirre in the death of 41-year-old Joshua Swink. DOWNLOAD: Free WSB-TV News app for alerts as news breaks] Deputies say Vega-Aguirre went to Swink's home off Shenandoah Drive on Saturday afternoon to buy the bike he saw for sale online.