AURORA, COLO. (AP) -- Investigators in Colorado say the double shooting of Australian twin sisters was a suicide pact.
The Arapahoe County sheriff's office made the announcement Thursday, just hours after they began interviewing the surviving sister.
The office said the 29-year-old sisters had been in the Denver area for five weeks before going to a shooting range on Monday.
Both were shot in the head. One died and the other was critically injured.
The women are from Victoria state in southeast Australia and the women's relatives are set to arrive in Colorado on Friday afternoon.
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