Swope died of multiple gunshot wounds.
Carson also faces a charge of unlawful possession of a weapon by a felon and possession of a weapon by a street gang member.
If convicted on all counts, Carson faces life in prison.
Also, a Springfield man convicted of second-degree murder will spend 19 years behind bars.
Circuit Judge Ryan Cadagin sentenced Pope to 16 years for second-degree murder and three years for aggravated unlawful use of a weapon.
Pope was eligible for a 23-year sentence, which is what the Sangamon County State's Attorney's Office recommended.
An initial altercation between Pope, who was driving a pickup truck, and Tayeh occurred near Dirksen Parkway and South Grand Avenue, but continued on to near Hill Street and Enos Avenue.