The teenager has not been identified, but her attorney told Action News she is being charged as an adult with murder and conspiracy. Richard Jones, 14, also turned himself in to police along with his lawyer on Monday. Jones is charged with murder and criminal conspiracy in connection with the attack. A 13-year-old girl and a 10-year-old also spoke to police, but are not facing charges. The 14-year-old girl, Jones and others were allegedly involved in the June 24 attack in the 2100 block of Cecil B. Moore Avenue in North Philadelphia. RELATED: Officer creates portrait of 73-year-old man killed in North Philly shooting Police say 73-year-old James Lambert, affectionately known as “Simi,” was attacked by four men and three women. Many of the suspects are believed to be in their early to mid-teens. Police said the suspects hit Lambert multiple times with objects, knocking him to the ground. In surveillance video released by police Friday, the suspects are seen attacking the victim with a traffic cone. Police say Lambert suffered head injuries and later died. Homicide Capt. Jason Smith says at least two teenagers were involved in the beating. The medical examiner says Lambert died of blunt force trauma. Anyone with information is asked to contact the Philadelphia Police Department’s Homicide Unit at 215-686-3334/3335. Copyright © 2022 WPVI-TV. All rights reserved.