The FBI confirmed the person seen in Nancy Guthrie's doorbell camera footage is a suspect in her alleged kidnapping and shared identifying details.

"The suspect is described as a male, approximately 5’9” - 5’10” tall," the agency statement revealed in part, along with details about the backpack he carried.

The FBI raised its reward for information regarding Nancy Guthrie's abduction from $50,000 to $100,000 and released more info on the suspect.

President Donald Trump commented on the FBI's involvement in the Nancy Guthrie case, saying local authorities are still in charge.

FBI releases surveillance video in alleged Nancy Guthrie abduction case, sparking online debate over whether images show same suspect. Expert weighs in.

FBI agents were seen searching the desert terrain outside Nancy Guthrie’s home in Tucson, Arizona on Wednesday. A New York Post reporter told CNN that agents picked up and bagged a glove a short distance from Guthrie’s house.

Jennifer Coffindaffer said the backpack indicates “this was a low budget operation and not professional, just planned.”

The release of surveillance footage of a masked subject and the subsequent detention marked the first major breaks in the investigation, which has spanned 10 days.