Lonnell Richardson

Police on Wednesday identified the 24-year-old man shot and killed Monday night of a man in north St. Louis. Lonnell Richardson was found dead in the front yard of a home in the 5400 block of Arlington Avenue, in the city's Mark Twain neighborhood. Police were called to the neighborhood for a shooting at about 9:20 p.m. Monday. Homicide detectives are handling the investigation but do not have any suspects.