Officers encountered the man in an apartment courtyard, where he approached them with a gun and refused to drop it.
Two officers opened fire, fatally shooting the man.
Three women and the suspect were found dead at the scene.
A young child was discovered unharmed in one of the apartments.
Neighbors reported the incident, with shots heard in the background during 911 calls.
The shooting occurred in North Las Vegas, Nevada.
No identifying information has been released about the victims or the suspect.