Nobles is facing first-degree murder for Addison's shooting death. Wednesday morning, witnesses took the stand after opening statements. One witness told the judge they saw a fight between Addison and Nobles after Addison was reportedly splitting lanes on his motorcycle.
The witness also testified after the two men got into an exchange, Nobles pulled out a gun and shot at Addison.
The 32-year-old veteran died at the hospital.
According to police, Nobles left the scene but was arrested at his home the next day. If found guilty, Nobles could face a life sentence without the possibility of parole for the first-degree murder charge.
Addison leaves behind five children.