The incident occurred at about 10 p.m. Friday at the VIP Showgirls Club in the 12100 block of Victory Boulevard.
When responding Los Angeles police officers arrived on scene, they found the victim, 30-year-old Thomas Valdez of Santa Clarita, dead inside the club. Witnesses said Valdez was involved in a fight outside of the club with 30-year-old Forte Ramonta of North Hollywood.
Authorities said after the shooting, Ramonta ran from the location with his girlfriend, 22-year-old Anna Baez, a club employee.
Both were quickly detained by officers in a nearby park.
Ramonta was booked for murder and was being held on $1 million bail. Baez was booked for accessory to murder and was being held on $500,000 bail.
Correction: The suspect's name was originally listed as Ramonta Forte. It is in fact Forte Ramonta.