India, May 25 -- It has been nearly four months since Nancy Guthrie, mother of Today co-host Savannah Guthrie, was taken from her home in Tucson's Catalina Foothills neighborhood by a masked, gloved man. The police have yet to name a suspect, find a body or reveal a motive. A combined reward of over $1.2 million has been offered for information.

As the investigation drags on, a retired detective is pointing to an unusual explanation. Lisa J Miller, a former law enforcement executive at the Colorado Attorney General's Office, told Fox News Digital that sophisticated cybercriminals may be moving away from keyboards and toward kidnapping, a tactic known as a "wrench attack."

Miller said a "wrench attack" is when cybercriminals use violence...