Noe Montoya, 30, was booked into custody Thursday and faces a charge of open murder.
Police asked the public for help identifying a possible witness to the shooting.
A man in his 50s was found dead after a fight in the 4400 block of East Vegas Valley Drive.
Antawn Robinson, 43, of Los Angeles, died from a gunshot wound to the back.
Samarien Vance, 20, was arrested in Tulsa on a murder and attempted murder warrant.
Marvin Smith, 45, has been charged with the killing of 48-year-old Dion Southern on Oct. 3.
The shooting happened on Centennial Parkway, between Commerce Street and Kitamaya Street.
A woman was kidnapped at gunpoint at a shopping center at around 7:30 p.m. and found dead inside her ex-boyfriend’s home hours later.
It occurred around 9 a.m. in the 2100 block of Las Vegas Boulevard North.
The shooting occurred around 1:15 a.m. in the 3900 block of North Nellis Boulevard.