India, March 21 -- More than a month after Savannah Guthrie's 84-year-old mother Nancy was abducted from her home in Tucson, Arizona, investigators are still searching for answers and a former detective believes the kidnapping was far from a one-man operation.

Retired Pima County homicide detective Kurt Dabb has studied the case and believes the man seen in the footage did not act alone.

"I believe there are anywhere between two to four accomplices," Dabb told Parade. "The logistics of something of this magnitude is too much for one person to handle in my professional opinion based on the facts as I know them right now."

Dabb also believes the group had checked Nancy's home before the abduction but they may not have noticed the doorbel...