Police get positive IDs in Paradise Valley murder

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PARADISE VALLEY, Ariz -- Authorities have positively identified an elderly man and woman found tied up and burned in as the owners of the Paradise Valley home where the remains were discovered.

Police said Thursday that they used dental records to identity the couple as Lawrence and Glenna Shapiro, philanthropists who were in their 70s.

The crime has shaken Paradise Valley residents who were being told to lock their doors and pay attention to their surroundings.

It's also unusual for police, who investigated the upscale town's last homicide in 2004.

Paradise Valley officers went to the home Monday morning after Phoenix police found a car on fire behind a strip mall about 20 miles away.

The car was registered to the home's owners.

When an officer arrived at the house, she saw smoke coming from inside.

Firefighters put out fires that had been set in two bedrooms, including the master bedroom, where the Shapiros' bodies were found.