Girlfriend of suspect arrested in Ariz. homicides

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Elise Andrea Garcia By Andrew Michalscheck Elise Andrea Garcia By Andrew Michalscheck

PHOENIX (AP) -- Authorities have arrested the girlfriend of an ex-convict accused in a double-homicide case in Phoenix.

Phoenix police announced Wednesday that 22-year-old Elise Andrea Garcia has been booked on suspicion of first-degree murder and unlawful disposal of human remains. 

Police arrested 42-year-old Alan Matthew Champagne on March 6 after human remains were found buried in a shallow grave in the backyard of his mother's former Phoenix home.

He's pleaded not guilty and is jailed on $1 million bail.

The decomposed remains of 32-year-old Philmon Tapaha and 26-year-old Brandi Nicole Hoffner were discovered March 5 by landscapers doing work for the new owners of a home where Champagne's mother formerly lived.

Investigators believe Tapaha and Hoffner were killed in a Phoenix apartment in June or July 2011 after an altercation with Champagne.