SAVANNAH GUTHRIE MOM MISSING: DAY 27

New video footage uncovers 12 separate vehicles speeding by in Nancy's neighborhood between 12 a.m. and 6 a.m. the very night Nancy is abducted.

One of those vehicles speeds by just eight minutes after Nancy Guthrie's pacemaker stops connecting to Bluetooth. What is the significance? Is it connected to Guthrie's disappearance?

Joining Nancy Grace today:

• Eric Drickersen - Former FBI Special Agent for 20 years (specialized in international kidnappings), Supervised the FBI Mexico/US Border Liaison Program and the Cross Border Violence Task Force; Currently CEO at EAD Global, Inc.; Also: Former Undercover Agent, Member of the SWAT Tactical team and International Crimes Investigator, and Former Attache for the Mexico City office of the Embassy of the United States
• Brian Fitzgibbons – Director of Operations for USPA Nationwide Security (leads a team of investigators specializing in locating missing persons), Marine and Iraq War Veteran; Instagram: @uspa_nationwide_security
• Dave Mack - Investigative Reporter, 'Crime Stories'

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