How an Iowa woman became a key witness in her own murder
The last words spoken by Angela Prichard, 55, an Iowa wife and mother who called 911 to report she was in danger, was the first clue investigators had to identify her killer.
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Barking dogs at Iowa kennel provide key evidence in murder case
A surveillance camera captured the sound of dogs barking, helping authorities determine when Angela Prichard's estranged husband arrived at the location to wait for her.