| ★ |  What is a 'signal sniffer?' High-tech track tool possibly used in Nancy Guthrie search | | 911 | Estados Unidos | |
| 2 |  Savannah Guthrie's Missing Mom: Updates on DNA Search, 'Signal Sniffer' for Pacemaker | Entertainment Tonight @entertainmenttonight | — | Estados Unidos | 93 |
| 5 |  Investigators in Nancy Guthrie's search using a "signal sniffer", tracking new clues | | — | Estados Unidos | 89 |
| 8 |  Search for Nancy Guthrie enters fourth day | | — | — | 87 |
| 9 |  Day 4 in the search for Nancy Guthrie | WKYC Channel 3 @wkycchannel3 | — | Estados Unidos | 87 |
| 10 |  JUST IN: Officials using 'signal sniffer' in effort to detect Guthrie's pacemaker | | — | Estados Unidos | 87 |
| 11 |  Nancy Guthrie's pacemaker remains a focus for investigators | LiveNOW from FOX @livenowfox | — | Estados Unidos | 87 |
| 12 |  New CLUES in Nancy Guthrie search: Was doorbell camera SUSPECT wearing ring? | The National Desk @thenationaldesk | — | Estados Unidos | 86 |
| 14 |  Investigators ask for surveillance video from specific dates in Nancy Guthrie disappearance | | — | Estados Unidos | 86 |
| 16 |  Looking at tech’s role in the search for Nancy Guthrie | | — | Estados Unidos | 86 |
| 19 |  'Nancy is still out there': Officials give update on Guthrie case | NBC 6 South Florida @nbc6southflorida | — | Estados Unidos | 86 |
| 20 |  Trump: “Terrible thing” as investigators work leads in Nancy Guthrie case | | — | Estados Unidos | 86 |
| 15 |  Person Detained in Nancy Guthrie Investigation - LIVE Breaking News Coverage & Manhunt Updates | Agenda-Free TV @agendafreetv | 783.8K | Estados Unidos | 86 |
| 3 |  How 2.4 GHz Signal Sniffer Tech Tracks Nancy Guthrie’s Pacemaker | | 228.9K | Estados Unidos | 92 |
| 13 |  Nancy Guthrie Search & Manhunt (and other Top Stories) - LIVE Breaking News Coverage | Agenda-Free TV @agendafreetv | 158.2K | Estados Unidos | 86 |
| 17 |  Looking at tech’s role in the search for Nancy Guthrie | | 15.0K | Estados Unidos | 86 |
| 6 |  Why the Guthrie Family is Pleading for Direct Contact with Nancy's Captors | | 12.8K | Estados Unidos | 87 |
| 7 |  Sheriff rules out family members as suspects in Nancy Guthrie's disappearance | | 10.8K | — | 87 |
| 4 |  #FBI #SignalSniffer used in #NancyGuthrie #investigation Profiling Evil | Profiling Evil @profilingevil | 2.8K | Estados Unidos | 90 |
| 18 |  Guthries may be using coded language to communicate with mother's abductor | | 2.2K | Estados Unidos | 86 |
| 1 |  A helicopter hunts a pacemaker? The key to Nancy Guthrie's case. | Breaking View USA @breakingviewusa | 143 | Estados Unidos | 93 |