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Despite extensive efforts by law enforcement, volunteer teams, and tips pouring in, her whereabouts remain unknown more than five months later.
The U.S. Attorney’s Office for the District of Arizona announced on July 2 that Derrick Callella of Hawthorne, California, pleaded guilty to two counts of harassment using a telecommunication device.
Callella, who is 42 years old, admitted to calling and texting about sending bitcoin to Guthrie’s family on February 4.
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