SCOTTSDALE, Ariz. — The suspect wanted in connection with a Scottsdale homicide is in police custody, according to authorities.

Scottsdale police say they have arrested Matthew Dieringer, 35, after a citizen reported seeing him near 13th Street and Indian School Road in Phoenix, officials said.

Dieringer was wanted in connection with the killing of 67-year-old Frank Quaranta.

Police described Quaranta's killing as a "targeted attack."

Police responded to a home near 68th Street and McDowell Road on Sept. 1 for a welfare check and forced their way inside after they were unable to contact the victim, who was found dead inside, police said.

Police identified Dieringer as a suspect in the killing after learning Quaranta was giving him a place to stay for the past few months, officials sai

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