An Elizabethton man with previous convictions has pleaded guilty to possessing a handgun illegally.A release from District Attorney General Kenneth Baldwin revealed Keion Thomas Perkins, 26, received a 10-year sentence – 30% of which he must serve before parole eligibility.The charge and guilty plea stemmed from a Johnson City Police Department (JCPD) arrest. According to a news release, apparently, Perkins had previous violent crime convictions, including aggravated burglary and robbery, the release stated. Those convictions had made it illegal for Perkins to have a firearm.