Two 18-year-olds wanted in connection with murder case turn themselves in Police say their appeal to the public for help led to multiple tips share this Two 18-year-olds wanted in connection with a Rockville teen’s shooting death last week turned themselves in on Tuesday, Montgomery County police said. John Delonte Black Jr. — who is accused of murder — and Annbel Sierra Massilon were wanted in connection with the death of Kennedy Merritt-Millet, 18, whose body was found in the Fairland area of Silver Spring last week. Merritt-Millet was shot on June 22 near the intersection of Greencastle Road and Turbridge Drive near a bus park and ride lot, police said.