Arizona gunman kills neighbors, dogs

PHOENIX — Authorities released details Sunday from a weekend shooting that left four family members and two dogs dead at a central Phoenix townhouse before the gunman turned the weapon on himself.

Michael Guzzo, 56, killed his next-door neighbors in a deadly confrontation Saturday that may have been touched off by loud barking, police said.

Phoenix police Sergeant Tommy Thompson said there is ‘‘some indication that perhaps that was a problem.’’ He added, because of the deaths, a motive may never be known.


The victims have been identified as Bruce Moore, 66; his daughter, Renee, 36; her husband, who took his wife’s name, Michael Moore, 42; and Renee’s son, Shannon, 17.

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After the killings, Guzzo shot at another townhouse before returning to his unit and killing himself, police said.

Police said they found a pump shotgun, apparently the weapon used in the killings, next to his body. Thompson said there was no indication he had a violent past.

A neighbor said Guzzo kept to himself. ‘‘I’ve seen him every morning — come in quiet every morning,’’ Donald McKenzie told KSAZ-TV.

After shooting the Moores and the dogs, Guzzo then walked across the complex and shot at the door of another townhouse, police said. No one was injured at that home.

Associated Press