NASHVILLE, Tenn. – RaDonda Vaught, a former nurse criminally prosecuted for a fatal drug error in 2017, was convicted of gross neglect of an impaired adult and negligent homicide Friday after a three-day trial that gripped nurses across the country. Vaught faces three to six years in prison for neglect and one to two years for negligent homicide as a defendant with no prior convictions, according to sentencing guidelines provided by the Nashville district attorney’s office. Vaught is scheduled to be sentenced May 13, and her sentences are likely to run concurrently, said DA spokesperson Steve …