LYNN – A young Lynn man is one of three people being charged in a Boston homicide, according to the Suffolk County District Attorney’s Office.Edward Holloman, 19, of Lynn is expected for arraignment today in South Boston District Court.Prosecutors say Holloman stabbed to death 27-year-old Curtis Ashford during a fight on East Eighth Street in South Boston in May.According to authorities, Darren Hemingway, 19, of Brighton, instructed Holloman and Edward Mendez, 34, of Jamaica Plain to stab Ashford. Hemingway allegedly transported them from the scene of the crime and harbored them.Hemingway is charged with being an accessory to murder, while Holloman and Mendez are both charged with murder.Mendez was ordered held without bail Tuesday until a Sept. 9 court date, according to the DA’s Office.