Rakeem Montel Best, 20, of Durham was taken to the Durham County Jail.
Two other people - Hope Farley, 19, of Durham and Thomas Antwan Clayton, 21, of Morrisville were arrested and charged with murder in April.
Investigators say the trio is responsible for killing 19-year-old JeJuan Jonteil Taylor Jr. of Durham. He was shot in a car at Duke Manor Apartments on South LaSalle Street April 18.
Farley and Clayton were both also charged with conspiring to commit robbery with a dangerous weapon. Farley and Clayton remain in the Durham County Jail.