TUCSON -- Authorities say a Tucson man suspected in the shooting death of his girlfriend has been arrested in California.
Pima County Sheriff's officials say 29-year-old Stephen J. Malone was taken into custody Wednesday in Los Angeles.
The arrest came a day after 25-year-old Augustina Soto was found fatally shot in a car on Tucson's south side.
Authorities say Soto and Malone were in a domestic relationship and had three children.
They say two of the children -- ages 4 and 5 -- were in the back seat of the car Tuesday night when Soto was shot.
The children weren't injured.
Authorities say Malone will remain jailed in Los Angeles pending extradition to Tucson.
They didn't immediately know Thursday if Malone has a lawyer yet.
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