New details in Nancy Guthrie disappearance as Savannah Guthrie and siblings make emotional plea

THE WINTER GAMES. "NIGHTLY NEWS" STARTS RIGHT NOW. "NIGHTLY NEWS" STARTS RIGHT NOW. >>> GOOD EVENING. RIGHT NOW. >>> GOOD EVENING. IT HAS BEEN ANOTHEHER. >>> GOOD EVENING. IT HAS BEEN ANOTHER GUT-WRENCHING DAY. IT HAS BEEN ANOTHER GUT-WRENENCHING DAY HERE AT NBC NEWS AS. HERE AT NBC NEWS AS INVESTIGATORS SEARCH FOR SAVANNAH. INVESTIGATORS SEARCH FOR SAVANNAH GUTHRIE'S MOTHER, FOR SAVANNAH GUTHRIE'S MOTHERER, NANCY. NANCY. TODAY, AUTHORITIES PROVIDING THE MOST. TODAY, AUTHORITIES PROVIDING THE MOST INFORMATION N YET. PROVIDING THE MOST INFORMATATION YET. INCLUDING NEW DETAILS. INFORMATION YET. INCLUDING NEW DETAILSS ABOUT THAT PURPORTED. INCLUDING NEW DETAILS ABOUT THATAT PURPORTED RANSOM NOTE RECEIVED. ABOUT THAT PURPORTED RANSOM NOTE RECEIVED BY MULTIPLE NEWS. BY MULTIPLE NEWS OUTLETS. LAW ENFOFORCEMENT STILL. OUTLETS. LAW ENFORCEMENT STILL NOT CERTAIN IT'S. LAW ENFORCEMENT STILL NOT CECERTAIN IT'S AUTHENTIC, BUT. IT. OFFICIALS SAY IT INCLUDED A DEADLINE FOR TODAY AT 5:00. INCLUDED A DEADLINE FOR TODAY AT 5:00 P.M. LOCOCAL TIME THERE. FOR TODAY AT 5:00 P.M. LOCAL TIME THERE IN TUCSOSON. P.M. LOCAL TIME THERE IN TUCSOSON. THEY ALSO RELEASED.

IN TUCSON. THEY ALSO RELEASED KEY DETAILS DESCRIBED. THEY ALSO O RELEASED KEY DETAILS DESCRIBED IN THE NOTE, IN THE NOTE, INCLUDING REFERENCES TO NANCY GUTHRHRIE'S. INCLUDING REFERENCES TO NANCY GUTHRIE'S APPLE WATCTCH AND A. TO NANCY GUTHRIE'S APPLE WATCH AND A FLOOD LIGHT OUTSIDE. APPLE WATCH AND A FLOOD LIGHT T OUTSIDE OF HER HOME THAT MADE. OF HER HOME THAT MADE THEM TAKE THE NOTE SERIOUSLSLY, BUT WE. THEM TAKE THE NOTE SERIOUSLY, BUTUT WE SHOULD MENTION THOSE. SERIOUSLY, BUT WE SHOULD MENTION THOSE DETAILS MAY HAVE BEEN. SHOULD MENTION THOSE DETAILS MAMAY HAVE BEEN PUBLICLY AVAILABLE. DETAILS MAY HAVE BEEN PUBLICLY AVAILABLE. THE SHERIFF'S OFFICE. PUBLICLY AVAILABLE. THE SHERIFIFF'S OFFICE IN ARIZONA ALSO. IN ARIZONA ALSO REVEALING SOMETHING, POSSIBLY A PERSON, REVEALING SOMETHING, POSSIBIBLY A PERSON, WAS DETECTED ON. WAS DETECTED ON NANCY'S HOME SECURITY CAMERA THE NIGHT SHE. NANCY'S HOME SECURITY CAMERA T THE NIGHT SHE WENT MISSING. RE. WENT MISSING. WE'LL ALSO H HAVE MORE ON THAT HEARTBREAKING. WE'LL ALSO HAVE MORE ON THAT HEARTBREAKING VIDEO, SAVANNAH AND. ON THAT HEARTBREAKING VIDEO, SAVAVANNAH AND HER SIBLINGS REACHING. VIDEO,O, SAVANNAH AND HER SIBLINGS REACHING OUT TO THEIR MISSING. HER SIBLINGS REAEACHING OUT TO THEIR MISSING MOTHER NANCY AND TO.

OUT TO THEIR MISSING MOTHER NANCY AND TO O HER POSSIBLE CAPTOR. HER POSSIBLE CAPTOR. WE HAVE TWO REPORTS TONIGHT BUT WE WANT. WE HAVE TWO REPORTS TONIGHT BUT T WE WANT TO START WITH LIZ. TO START WITH LIZ KREUTZ ON THE GROUND IN TUCSOSON. KREUTZ ON THE GROUND IN TUCSON.N. >> Reporter: TONIGHT, IN T TUCSON. >> Reporter: TONIGHT, AUTHORITIES REVEALING. AUTHORITIES REVEALING SEVERAL NEW AND POTENTIALLY CRITICAL. SEVERAL NEW AND POTENTIALLY CRITICALAL DETAILS ABOUT THE. POTENTIALLY CRITICAL DETAILS ABOUT THE ABABDUCTION OF NANCY. DETAILS ABOUT THE ABDUCTION OF N NANCY GUTHRIE. ABDUCTION OF NANCY GUTHRIE. >> RIGHT NOW, WE. >> RIGHT NOW, WE BELIEVE NANCY IS STILL OUT THERERE. BELIEVE NANCY IS STILL OUT THTHERE. >> Reporter: THE. >> Reporter: THE UPDATE FROM THE SHERERIFF AND FBI. SHERIFF AND FBI COMING JUST HOURS AFTER THAT EMOTIONONAL. COMING JUST HOURS AFTER THAT EMOTIONAL VIDEO O SAVANNAH POSTED. AFTER THAT EMOTIONAL VIVIDEO SAVANNAH POSTED WITH HER SIBLINGS. VIDEO SAVANNAH POSTED WITH HER SIBLINGNGS PLEADING FOR HER. WITHTH HER SIBLINGS PLEADING FOR HER MOTHER'S SAFE RETURN. MOTHER'S SAFE RETURN. >> EVERYONE IS LOOKING FOR YOU, >> EVERYONE IS LOOKING FOR YOU, MOMMY, EVERYWHERERE. LOOKING FOR YOU, MOMMY, EVERYWHERE. WE WILL NOT REST.

MOMMY, EVERYWHERE. WE WILL NOT REST. YOUR CHILDREN WILL. WE WILL NOT REST. YOUR CHILDREN WILL NOT REST UNTIL WE ARE. YOUR CHILDREN WILL NOT REST UNTIL WE ARE TOGETHER AGAIN. TOGETHER AGAIN. >> Reporter: FOR THE FIRST TIME, THE. >> Reporter: FOR THE FIFIRST TIME, THE SHERIFF'S DEPARTMENT. SHERIFF'S DEPARTMENT OUTLINING A ROUGH TIMEMELINE FOR NANCY'S. OUTLINING A ROUGH TIMELINE FOR NANCY'S DISAPPEARANCE. DISAPPEARANCE. THEY SAY AFTER DINNER AT HER DAUGHGHTER'S. THEY SAY AFTER DINNERR AT HER DAUGHTER'S HOUSE SATURDAY NIGHT, HOUSE SATURDAY NIGHT, NANCY WAS BROUGHT T HOME BY A FAMILY. NANCY Y WAS BROUGHT HOME BY A FAMILY MEMBER AT 9:48 P.M. HOME BY A FAMILY MEMBMBER AT 9:48 P.M. AT 9:50, HER GARAGE. MEMBER AT 9:48 P.M. AT 9:5:50, HER GARAGE DOOR CLOSED. AT 9:50, HER GARAGE DOOR CLOSED. THEN AT 1:47 A.M., DOOR CLOSED. THEN AT 1:47 A.M., THE DOORBELL CAMAMERA. THEN AT 1:47 A.M., THE DOORBELL CAMERA DISCONNECTED. THE DOORBELL CAMERA DISCSCONNECTED. AT 2:12, SOFTWARE. AT 2:12, SOFTWARE DETECTED MOVEMENT ONON A CAMERA. DETETECTED MOVEMENT ON A CAMERA. AT 2:28, NANCY'S. A CAMERA. AT 2:28, NANCY'S PACEMAKER APP.

AT 2:28, NANCY'S PACEMAKER APP DISCONNECTCTED. DISCONNECTED. THE SHERIFF TELLS ME THEY HAVEN'T BEEN. THE SHERIFF TELLS ME THEY H HAVEN'T BEEN ABLE TO ACCESS ANY. THEY HAVEN'T B BEEN ABLE TO ACCESS ANY HOME SURVEILLANCE. ABLE TO ACCESS ANY HOME SURVEILLANCE VIDEO AND THEY. HOME SURVEILLANCE E VIDEO AND THEY CURRENTLY HAVE NO. CURRENTLY HAVE NO SUSPECT OR PERSON OF INTEREST. SUSPECT OR PERSON OF INTEREST. IS THIS A. INTEREST. IS THIS A PROFESSISIONAL. PROFESSIONAL ABDUCTION. IT SEEMS LIKE THEY. ABDUCTION. IT SEEMS LIKE THEY DIDN'T MAKE ANY. DIDN'T MAKE ANY MISTAKES. >> I CAN'T SAY THAT. MISTAKES. >> I CAN'T SAY THAT. I DON'T KNOW. >> I I CAN'T SAY THAT. I DON'T KNOW. AS WE MOVE, WE'LL. I DON'T KNOW. AS WE MOVE, WE'LL LEARN IF THEHEY MADE. AS WE MOVE, WE'LL LEARN IF THEY MADE MISTAKES. LEARN IF THEY MADE MISTAKES. I DON'T KNOW OF A. E. I DON'T KNOW OF A PERFRFECT CRIME. >> Reporter: THE FBI. E. >> Reporter: THE FBI ALSO A ADDRESSING THE REPORTED RANSOM NOTE. REPORTED RANSOM NOTE SENT TO THREE DIFFERENT NEWS. SENT TO THREE DIFFERERENT NEWS OUTLETS SAYING IT. OUTLETS SAYING IT REFERENCES AN APPLE WATCH NANCY Y OWNED AND. REFERENCES AN APPLE WATCH NANCY OWNED ANDD FLOOD LIGHTS AT HER. FLOOD LIGHTS AT HER HOUSE. INFORMATION N THAT IS.

HOUSE. INFORMATION THAT I IS PUBLICLY AVAILABLE. PUBLICLY AVAILABLE. HE ALSO SAID THE NOTE HAS S A DEADLINE. HE ALSO SAID THE NOTE HAHAS A DEADLINE. >> THE RANSOM NOTE. HAS A DEADLINE. >> THE RANSOM NOTE THAT WAS DISTRIBUTED. THAT WAS DISTRIBUTED TO THE MEDIA DID MAKE A DEMAND FOR 5:00. TO THE MEDIA DID MAKE A DEMAND FOR 5:00 P.M. TODAY, AND IF A. A DEMAND FOR 5:00 P.M. TODAY, AND IF A TRANSFER WASN'T MADE, P.M. TODAY, AND IF A TRANSFER WASN'T MADE, THTHEN I THINK A SECOND. TRANSFER WASN'T MADE, THEN I THINK A SECONOND DEMAND WAS FOR NEXT. DEMAND WAS FOR NEXT MONDAY. >> Reporter: THE. MONDAY. >> Reporter: THE SPECIAL AGENT IN. SPECIAL AGENT IN CHARGE SAYS THEY'RE STILL INVEVESTIGATING. CHARGE SAYS THTHEY'RE STILL INVESTIGATING THE LEGITIMACY OF THE. THE LEGITIMACY OF THE RANSOM NOTE AND THERE'S S BEEN NO. THERE'S BEEN NO CONTACT SO FAR WITH ANY POTENTIAL. CONTACT SO FAR WITH ANY POTENTIAL ABDUDUCTOR. ANY POTETENTIAL ABDUCTOR. >> IN A NORMAL. >> IN A NORMAL KIDNAPPING CASE, THERE WOWOULD BE. KIDNAPPING CASASE, THERE WOULD BE CONTACT BY NOW. CONTACT BY NOW. >> Reporter: AUAUTHORITIES ARRESTING. AUTHORITIES ARRESTING A MAN LAST NIGHT FOR SENDINING A HOAX RANSOM. A MAN LAST NIGHT FOR SENDING A HOAX RANSOM DEMAND TO SAVANNAH'S.

SENDING A HOAX RANSOM DEMAND TO SAVANNAH'S SISTER AND. SISTER AND BROTHER-IN-LAW. >> TO THOSE IMPOSTORS. BROTHER-IN-LAW. >> TO THOSE IMPOSTORS TRYING TO O TAKE. TRYING TO TAKE ADVANTAGE AND PROFIT FROM THIS SITUATION, ADVANTAGE AND PROFIT FROM THIS SITUATION, WE WILL INVESTIGATE. FROM THIS SITUATION, WE WILL L INVESTIGATE AND INSURE YOU ARE. AND INSURE YOU ARE HELD ACCOUNTABLE FOR YOUR ACTIONS. HELD ACCOUNTABLE FOR YOUR ACTIONS. >>>> Reporter: THE FBI. YOUR ACTCTIONS. >> Reporter: THE FBI NOW OFFERING A. >> Reporter: THEHE FBI NOW OFFERING A $50,000 REWARD FOR. $50,000 REWARD FOR ANY INFORMATION THAT LEADS TO NANANCY OR AN. ANY INFORMATION THAT LEADS TO NANCY OR AN ARREST. LEADS TO NANCY OR ANAN ARREST. FOR NOW, THE. ARREST. FOR NOW, THE INVESTIGATION. INVESTIGATION CONTINUES AFTER FIVE DAYS OF SEARCHINING, CONTINUES AFTER FIVE DAYS OF SEARCHING, WAITINING, AND PRAYING. DAYS OF SEARCHING, WAITING, AND PRAYING. WHAT GIVES YOU HOPE. WAITING, AND PRAYING. WHAT GIVIVES YOU HOPE THAT NANCY IS STILL. WHAT GIVES YOU HOPE THAT NANCY IS STILL OUT THERE? THAT NANCY IS STILL OUT THERE? >> WOW. OUT THERE? >> WOW.. YOU HAVE TO HAVE. >> WOW. YOU HAVE TO HAVE HOPE.

YOU HAVE TO HAVE HOPE. YOU HAVE TO HAVE. HOPE. YOU HAVE TO HAVE HOPE. YOU HAVE TO HAHAVE HOPE. COME ON, THIS IS. COME ON, THIS IS SOMEBODY'S MOM. WE'RE GOING TO F FIND. SOMEBODY'S MOM. WE'RE GOING TO FIND HER. WE'RE GOING TO FIND HER. AND HOPE SHE'S ALIVE. HER. AND HOPE SHE'S ALIVE WHEN WE DO. AND HOPE SHE'S ALIVE WHEN WE DO. >> WE ALL L HAVE HOPE. WHEN WE DO. >> WE ALL HAVE HOPE RIRIGHT NOW. >> WE E ALL HAVE HOPE RIGHT NOW. LIZ JOINS US LIVE. ED. LIZ JOINS US LIVE. BACK TO THE REPORTED RANSOM NOTE YOYOU HAVE. RANSOM NOTE YOU HAVE BEEN REPORTING ON. WHAT ARE AUTHORITIES. BEEN REPORTING ON. WHAT ARE AUTUTHORITIES DOING AHEAD OF THESE. WHAT ARE AUTHORITIES DOING G AHEAD OF THESE ALLEGED DEADLINES YOU. DOING AHEAD OF THESE ALLEGED DEADLINENES YOU MENTIONED? MENTIONED? >> Reporter: WELL, TOM, F FIRST THE FBI. TOM, FIRST THE FBI NEEDS TO VERIFY THE THE DEMAND IS. NEEDS TO VERIFY THE THE DEMAND IS LEGITIMATE. THE DEMAND IS LEGITIMAMATE. TO DO SO, THEY'RE. LEGIGITIMATE. TO DO SO, THEY'RE TRYING TO OPEN UP A. TO DO SO, THEY'RE TRTRYING TO OPEN UP A LINE OF COMMUNICATION. LINE OF COMMUNICATION WITH WHOEVER SENT ITIT. IF THEY ARE ABLE TO.

WITH W WHOEVER SENT IT. IF THEY ARE ABLE TO DO THAT, THE FBI SAYS. IF THEY ARE ABLE T TO DO THAT, THE FBI SAYS THAT THEY ARE. THAT THEY ARE PREPARED. THEY H HAVE CRISIS. PREPARED. THEY HAVE CRISIS NEGOGOTIATORS HERE IN. THEY HAVE CRISIS NEGOTIATORORS HERE IN TUCSON READY TO. NEGOTITIATORS HERE IN TUCSON READY TO ASSIST THE FAMILY. ASSIST THE FAMILY. TOM. >> OKAY, LIZ, WE. TOM. >> OKAY, LIZ, WE THANK YOU. >> OKAY, LIZ, WE THTHANK YOU. YOU SAW PART OF THAT. THANK YOU. YOU SAW PART OF THAT EMOTIONAL PLEA FROM. ER. EMOTIONAL PLEA FROM SAVANNAH AND HER SIBLINGS. SIBLINGS. DANA GRIFFIN NOW WITH A CLOSER LOOK ATAT THE. DANA GRIFFIN NOW WITH A CLOSER LOOK ATAT THE MESSAGE THE FAMILY IS. A CLOSER LOOK AT THE MESSAGE THE FAMILY IS SENDING. SENDING. >> WE WANT TO THANK ALL OF YOU FOR THE. >> WE WANT TO THANK ALL OF YOU FOR THE PRAYERS, FOR OUR. ALL OF YOU FOR THE PRAYERS, FOR OUR BELOVED MOM NANCY. PRAYERS, FOR OUR BELOVED MOM NANCY. WE FEEL THEM. BELOVED MOM NANCY. WE FEEL THEM. AND WE CONTINUE TO. WE FEEL THEM. AND WE CONTINUE TO BELIEVE THAT SHE. AND WE CONTINUE TO BELIEVE THATAT SHE FEELS THEM TOO.

BELILIEVE THAT SHE FEELS THEM TOO. >> Reporter: IT'S A. >> Reporter: IT'S A GUT-WRENCHING EMOTIONAL PLEA FROM. GUT-WRENCHING EMOTIONAL PLEA FROM SAVANNAH, HER SISTER. EMOTIONAL PLEA FROM SAVANNAH, HER SISTER ANNIE, AND BROTHER. ANNIE, AND BROTHER.