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Retired FBI Agent Jason Pack on CNN Newsroom with Fredericka Whitfield D... youtu.be/pc6fMWCPpa0?si… via @YouTube

Latest from @PimaSheriff on the investigation and who has been eliminated.

Rapid DNA testing can provide quick leads in cases like Nancy Guthrie's disappearance, but it's often not admissible in court due to chain-of-custody and validation issues. Official labs ensure accuracy for prosecutions, though experts like retired FBI agent Jason Pack argue for expedited processing to avoid delays. Sources: Fox News, AZ Family, NYT. What aspect concerns you most?

Retired FBI agent Jason Pack told Fox News Digital new evidence seized Friday night in the Nancy Guthrie investigation needs to be taken to a lab immediately. “Here’s the question. Do they wait until Monday to commercially ship it to a private lab? In past high-profile cases, I’ve seen FBI aircraft used to immediately shuttle evidence to the FBI Laboratory at Quantico," he said. "That eliminates days of waiting. In a case involving a vulnerable 84-year-old woman who is without her heart medication, where every hour matters, you don’t wait for FedEx on Monday morning."

PREPAREDNESS PAYS OFF. ❄️❄️ Jason Pack reminds viewers to check on your neighbors, especially the elderly and vulnerable, amidst this monster storm.

The FBI’s Cellular Analysis Survey Team (CAST) is one of the bureau’s most critical tools in missing person cases and may be the key to cracking the Nancy Guthrie case, but retired FBI supervisory special agent Jason Pack said most Americans have never heard of it. Pack — who served as Chief of Staff for FBI Public Affairs, negotiator and child abduction team leader — told Fox News Digital that authorities likely have suspects in Guthrie's disappearance, but data is still being refined by the specialized team. "They have data, mountains of it," Pack said. "Names have surfaced and been evaluated. Some have been cleared. Others may still be in play in ways we aren’t seeing publicly."

Retired FBI agent urges rapid DNA testing in Nancy Guthrie case, stresses race against the clock: ‘Every hour matters’ #Echobox=1771142365" target="_blank" rel="nofollow noopener">nypost.com/2026/02/15/us-…

‘CYBER SLEUTHING:’ The FBI searched neighborhoods surrounding Nancy Guthrie’s home yesterday, indicating there could be new digital evidence in the case, retired agent Jason Pack said.

BEHIND THE CURTAIN: Retired FBI agent Jason Pack tells Fox News Digital that the equipment seen inside the tent was likely used to capture high-quality reference video of Nancy Guthrie’s porch where blood was found. "That footage could help forensic analysts measure fixed structures like bricks and archways to calculate a more precise height estimate of the suspect seen on doorbell video," Pack said

MAJOR BREAKING NEWS ALERT: The FBI and the Pima County Sheriff’s Office are looking to question the man seen in a new Ring camera video recorded about five miles from Nancy Guthrie’s home. Bringing further insight, former FBI Supervisory Special Agent Jason Pack told Fox News Digital the individual in the video was identified through an extensive canvass but is not considered a suspect at this time. “This kind of work is painstaking and laborious, but it does yield leads just like this one,” Pack said. Pack noted that the man in the new video appears to be dressed similarly to the individual captured on Nancy Guthrie’s doorbell camera around the time of her disappearance — wearing a backpack, jeans and a shirt. However, he cautioned against labeling the individual a suspect or person of interest at this stage. “They are simply someone identified through the canvass who needs to be fully identified in order to determine whether there is any involvement or not,” he said. “Every lead has to be run down, and that is exactly what investigators are doing right now,” Pack added, urging anyone who recognizes the individual to contact the FBI immediately.

‘CYBER SLEUTHING:’ The FBI searched neighborhoods surrounding Nancy Guthrie’s home yesterday, indicating there could be new digital evidence in the case, retired agent Jason Pack said.

BEHIND THE CURTAIN: Retired FBI agent Jason Pack tells Fox News Digital that the equipment seen inside the tent was likely used to capture high-quality reference video of Nancy Guthrie’s porch where blood was found. "That footage could help forensic analysts measure fixed structures like bricks and archways to calculate a more precise height estimate of the suspect seen on doorbell video," Pack said.

PUBLIC ASSISTANCE: Former FBI Supervisory Special Agent Jason Pack tells Fox News Digital the person seen in video with backpacks near Nancy Guthrie's home the night she vanished should not be called a "suspect" or "person of interest." "They are simply someone identified through the canvass who needs to be fully identified in order to determine whether there is any involvement or not," Pack said.

The Nancy Guthrie crime scene clue that's most chilling of all... and the horrifying question her family must now ask themselves: FBI Special Agent JASON PACK trib.al/3d8YJEo

NEW: Former FBI Agent Jason Pack claims the black glove found near Nancy Guthrie's home will spark a "whole new investigation" -- but gathering data points from the glove itself may be difficult.

NO COINCIDENCE: Retired FBI agent Jason Pack tells Fox News Digital you don’t deploy SWAT and FBI tactical units on a hunch in the Nancy Guthrie case. "When those units roll out, it means a lead has been vetted to the point there is a reasonable possibility of a high-risk situation — but deployment does not mean resolution," Pack said.

🚨 Jason Pack: “I wouldn’t read too much into the fact that it’s just her.” Pack suggests the ransom may already have been paid, and the video was meant to get people on the lookout for suspicious activity if a move is underway.

BEHIND THE CURTAIN: Retired FBI agent Jason Pack tells Fox News Digital that the equipment seen inside the tent was likely used to capture high-quality reference video of Nancy Guthrie’s porch where blood was found. "That footage could help forensic analysts measure fixed structures like bricks and archways to calculate a more precise height estimate of the suspect seen on doorbell video," Pack said.

NO COINCIDENCE: Retired FBI agent Jason Pack tells Fox News Digital you don’t deploy SWAT and FBI tactical units on a hunch in the Nancy Guthrie case. "When those units roll out, it means a lead has been vetted to the point there is a reasonable possibility of a high-risk situation — but deployment does not mean resolution," Pack said.

PUBLIC ASSISTANCE: Former FBI Supervisory Special Agent Jason Pack tells Fox News Digital the person seen in video with backpacks near Nancy Guthrie's home the night she vanished should not be called a "suspect" or "person of interest." "They are simply someone identified through the canvass who needs to be fully identified in order to determine whether there is any involvement or not," Pack said.