India, April 30 -- While Nancy Guthrie remained missing, investigators involved in her kidnapping case have discovered potentially groundbreaking new evidence that may significantly alter the course of the probe and "light a fire on social media," stated a former FBI agent acquainted with the case on Wednesday.

The Boulder County Sheriff's Office confirmed that a search warrant executed on Tuesday night at a property in Longmont revealed personal belongings of Guthrie, which included her fitness tracker that still had heart rate data from the morning of her abduction on March 12, IBT Australia reported. Forensic teams also retrieved DNA and fingerprints from an abandoned SUV located near the Superior jogging trail, which correspond to a ...