A home invasion turned deadly early Wednesday when a homeowner took the gun away from a burglar and shot him, Mesa police said.
Detective Diana Tapia, police spokeswoman, said it appeared the homeowner and the intruder knew each other.
The 2:15 a.m. break-in at a house in the 4800 block of East Princess Drive, near Greenfield and Brown roads, stemmed from drug activity, Tapia said.
Detectives are questioning the homeowner and two other residents and have arrested a second suspect.
"The second suspect was acting as a lookout," Tapia said.
Ken Brennen, who lives next door, said his wife woke him and said she had heard gunshots.
Brennen said he doubted they were gunshots at first, because his neighbor is often up at all hours pounding on things, but then he heard a series of shots himself.
"I heard boom, boom, boom," Brennen said. "It was scary. I told everyone to get to the other side of the house."
Police haven't named the man who was killed or the shooter.
Tapia said a married couple were sleeping inside their home when they heard glass breaking in another bedroom.
The woman ran to a closet and called 911 while the man confronted the armed intruder.
The two fought, and the homeowner was able to wrest the gun away and then used it on the intruder.
The man was pronounced dead at the scene.