According to homicide detectives with the Long Beach Police Department, the teen shot and killed 21-year-old Brandon Villarreal after the pair got into an argument on April 12.
Man shot and killed outside Long Beach Grand Prix
Police say the teen traveled to Las Vegas after the shooting.
Detectives obtained a warrant and caught up with him in Barstow on May 4 after he returned to California.
The teen, whose name has not been released, has been booked for murder is being held without bail.