India, June 1 -- A retired FBI special agent has challenged the wrench attack theory surfacing amid the search for Nancy Guthrie. Jason Pack, a retired FBI agent, addressed the theory that Savannah Guthrie's 84-year-old mother was targeted by a hired assailant working for a remote "mastermind" seeking to extort money from her family.

Pack, in a conversation with Parade, stressed the importance of relying on verified facts rather than public speculation.

"Regarding the wrench attack theory, I'll be respectful here because I know people mean well. But not one of us outside this investigation has read the case file," Pack said. "We haven't seen the forensic reports, the communications records, or the full body of evidence that investigator...