A Vermont fugitive wanted in a 2010 armed robbery in South Burlington has been arrested in Charlotte. The US Marshals Service said Kevin ‘‘Buster’’ Beaupre, 57, was arrested Friday morning. Authorities said Beaupre has been on the run since May 2012, after he was convicted of assault and robbery with a weapon. Police said he entered a dwelling and robbed the resident at gunpoint. The Marshals Service said Beaupre has a criminal record including convictions for domestic assault, burglary, breaking and entering, grand larceny, and cocaine distribution.