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Court records identify the suspect as Derrick Callella, a man in his mid-40s who was detained after allegedly sending messages to relatives of 84-year-old Nancy Guthrie, who vanished from her Arizona home. Prosecutors say the texts carried ransom-style language and were sent shortly after the family released an emotional appeal for information. Investigators also report that a brief phone call was placed to another family member around the same time, heightening alarm during an already agonizing search.
