DALLAS (CBSDFW.COM) – Dallas Police homicide detectives determined during a murder investigation, three juveniles suspected of killing a man, were already in the Dallas County Juvenile Detention Center for the capital murder of another victim.

Police charged the trio with the June 16 murder of 24-year-old Adarryl Toriano Chaney.

They had already been charged with the murder of 43-year-old Thomas Dewayne Scott.

Chaney was found shot to death inside a vehicle in Dallas just before 11:50 p.m. on Tuesday, June 16 on Preferred Place, near West Camp Wisdom Road and South Westmoreland Road.