Did Nancy Guthrie’s abductor potentially use a Wi-Fi jammer?

SUGGESTING THEY MAY BE LOOKING INTO WHETHER THE SUSPECT USED A. LOOKING INTO WHETHER THE SUSPECT USED A TECH DEVICE KNOWN AS A. TECH DEVICE KNOWN AS A WI-FI JAMMER TO SCRARAMBLE SECURITY. SCRAMBLE SECURITY CAMERAS. HERE IS LILIZ KREUTZ. HERE IS LIZ KREUTZ WITH HOW IT WORKS. >> Reporter: TONONIGHT, >> Reporter: TONIGHT, IN A SEARCH FOR CLUES, SEVERAL OF NANCY. SEVERAL OF NANCY GUTHRIE'S NEIGHBORS SAY INVESTIGATORS. SAY INVESTIGATORS ASKED ABOUT ANY POTENTIAL INTERNET. ASKED ABOUT ANY POTENTIAL ININTERNET ISSUES THE NIGHT OF. POTENTIAL INTERNET ISSUES THE NIGHT OF NANCY'S DISAPPEARANCE. ISSUES THE NIGHT OF NANCY'S DISAPPEARANCE. THEY SAY THE AGENTS. THEY SAY THE AGENTS TOLD THEM SEVERAL NEIGHBORS MENTIONED. TOLD THEM SEVERAL NEIGHBORS MEMENTIONED GLITCHES. EY. GLITCHES. ONE TELLS US WHEN THEY CHECECKED ON THEIR RING. ONE TELLS US WHEN THEY CHECKED ON THEIR RING CAMERARAS, THIS ONE SAID. CAMERAS, THIS ONE SAID NOT AVAILABLE DURING THE OVERERNIGHT HOURS OF. NOT AVAILABLE E DURING THE OVERNIGHT HOURS OF THE ABDUCTION. THE OVERNIGHT HOURS OF THE ABDUCTION. YOU CAN N ACTUALLY SEE.

THE ABDUCTION. YOU CAN ACTUALALLY SEE NANCY'S HOME. YOU CAN ACTUALLY SEE NANCY'S HOME. IT'S THAT T BRICK HOUSE. NANCY'S HOME. IT'S THAT BRICK HOUSE THERE. IT'S THAT BRICK HOUSE THERERE. EXPERTS TELL US IT. EXPERTS TELL US IT WOULD TAKE A PROFOFESSIONAL GRADE. WOULD TAKE A PROFESSIONAL GRADE WIWI-FI JAMMER TO KNOCK. WI-FI JAMMER TO KNOCK OUT INTERNET TO THE BACK O OF THIS PROPERTY. OUT INTERNET TO THE BACK OF F THIS PROPERTY. >> HERE IS THE JAMMER. BACK OF THIS PROPERTY. >> HERE IS THE JAMMER. HOLD IT UP HERE. >> HERE IS THE JAMMER. HOLD IT UP HERE. YOU TURN IT ON. HOLD IT UP HERE. YOU TURN IT ON. >> Reporter: THIHIS. YOU TURN IT ON. >> R Reporter: THIS SECURITY TECH. >> Reporter: THIS SECURITY TECH H CONSULTANT SHOWS US. CONSULTANT SHOWS US HOW A JAMMER CAN INTERFERE WITH. HOW A JAMMER CAN INTERFERE WITH ININTERNET SIGNAL AND. INTERNET SIGNAL AND HOME SURVEILLANCE CAMERARAS. CAMERAS. >> YOU WILL SEE IT GO OUT. >> YOU WILL SEE IT GO OUT. THAT'S WHAT IT LOOKS. OUT. THAT'S WHAT IT LOOKS LIKEKE. THAT'S WHAT IT LOOKS LILIKE. IT WILL SAY, NOT. IT WILL SAY, NOT AVAILABLE OR SOMETHING ALONG G THOSE LINES. AVAILABLE OR SOMETHING ALONG THOSE LINES. >> Reporter: HE SAYS. ALONG THOSE LINES. >> Reporter: HE SAYS HE IS SKEPTICAL A.

HE IS SKEPTICAL A JAMMER WAS USED IN NANCY'S ABDUCTION. JAMMER WAS USED IN NANCY'S ABDUCTION. >> IF THEY TURURNED THAT. NANCY'S ABDUCTION. >> IF THEY TURNENED THAT ON WHEN THEY PULLED. >> IF THEY TURNED THAT ON WHEN THEY PULLELED UP, YOU WOULD NEVER. UP, YOU WOULD NEVER HAVE VIDEO ON ANY CACAMERA. HAVE VIDEO ON ANY CAMERA. THAT'S WHY I D DON'T. CAMERA. THAT'S WHYHY I DON'T THINK ANYTHING WAS. THAT'S WHY I DON'T THINK ANYTHING WAS JAMMED. THINK ANYTHING WAS JAMMED. >> Reporter: SLEUTHS. JAMMED. >> Reporter: SLEUTHS SAYS THERE COULDLD BE. >> Reporter: SLEUTHSHS SAYS THERE COULD BE SOMETHING IN THE. SAYS THERE COULD BE SOMETHING IN THE SUSPECT'S POCKET. SOMETHING IN THE SUSPECT'S POCKET. DID HE HAVE A WI-FI. SUSPECT'S POCKET. DID HE HAVE A WI-FI JAMMER? DID HE HAVE A WI-FI JAMMER? >> I HAVE NOT LOOKED. JAMMER? >> I HAVE NOT LOOKED AT IT THAT CLOSELY. >> I HAVE NOT LOOKED AT IT THAT CLOSELY. MY T TEAM HAS LOOKED AT. AT IT THATAT CLOSELY. MY TEAM HAS LOOKED AT IT WITH THE FBI. MY TEAM HAS LOOKED AT IT WITH THE FBI.I. EVERY ANGLE.

IT WITH THE FBI. EVERY ANGLE.E. >> Reporter: NEITHER. >> Reporter: NEITHER THE SHERIFF'S DEDEPARTMENT NOR THE FBI. THE SHERIFF'S DEPARTMENT NOR THE FBI COMMENTED ON INTERNET. COMMENTED ON INTERNET ISSUES IN THE NEIGHBORHOOD.