2026年7月30日 美国东部时间晚上7:14 / 哥伦比亚广播公司新闻（CBS News）
作者：乔纳森·维利亚奥蒂、阿曼达·阿登
负责当地调查的警长周四对哥伦比亚广播公司新闻表示，在亚利桑那州图森市南希·格思里家中发现的毛发样本经法医检测后结果无法确定，且未指向任何嫌疑人。南希·格思里是《今日秀》联合主持人萨凡纳·格思里的失踪母亲。
“检测未得出任何结果，”皮马县警长克里斯·纳诺斯说道。警长办公室表示，毛发样本的检测结果已于6月初得到验证。周四是他们首次公开这一信息。
纳诺斯指出，现场还发现了血液和其他DNA样本，目前仍在分析中，但迄今为止也未得出任何结果。
“我知道现场有血迹，这也是现场勘查工作的一部分，”纳诺斯说。
哥伦比亚广播公司新闻五月份曾报道，警长办公室侦探送往佛罗里达州一家私人实验室的DNA样本随后被转交给了弗吉尼亚州匡蒂科的联邦调查局犯罪实验室。不过，官员们未证实该样本的具体细节，也未确认其是否就是此次的毛发样本。
“我们有大量DNA正在由全国范围内了解、熟悉手头工作且恪守相关规则的可靠科学家进行检测，”纳诺斯说。
现年84岁的南希·格思里最后一次被人看到是在1月31日晚，当时她在女儿安妮家中用餐后被送回家中。南希·格思里家中的监控录像显示，2月1日凌晨有一名嫌疑人出现在她的家门口。
调查人员表示，他们认为格思里大概率遭到绑架，且在她失踪后的几天里至少收到了两封赎金信。
“即便案件转为悬案，我们也不会放弃，”纳诺斯说。“我们会继续追查。这起案件远未成为悬案。但愿永远不会拖上50年，但也不排除这种可能。”
除了调查初期公布的格思里家中的监控录像外，目前未追回任何新的视频 footage。而且嫌疑人似乎避开了交通监控摄像头。
当被问及是否认为嫌疑人可能来自图森本地时，纳诺斯回答“绝对是”。
“我有证据证明这一点吗？没有，”纳诺斯说。“但看看全美乃至全球的犯罪案件，90%、95%的罪犯都来自哪里？就在当地。”
周一，萨凡纳·格思里在社交媒体上发布了一段针对绑架她母亲的嫌疑人的视频。
“所以我现在请求你们，恳求你们做出正确的选择，”她在视频中说道。“做出正确的决定。帮我们找到她。告诉我们该去哪里寻找她。我坚信，做正确的事永远不会太晚。”
这名警长周四还回应了联邦调查局局长卡什·帕特尔此前对他的批评，帕特尔曾指责警长部门迟迟未让联邦调查局介入此案。
“我从未和他交谈过，”纳诺斯谈及帕特尔时说道。“不，我没有理由这么做。如果我需要找他，我肯定能联系上他。我需要的是他的团队和我的团队密切合作，而这确实正在发生，而且几十年来一直如此。”
纳诺斯表示，他对案件能够“基于我手头的所有证据”得到侦破持乐观态度。
“归根结底是这样：我们知道的比你们任何人都多，因为调查工作就是这样，”他说。
安娜·施克特为本报道撰稿。
https://www.cbsnews.com/video/savannah-guthrie-speaks-out-new-details-revealed-nancys-case/
Hair sample found at Nancy Guthrie’s home inconclusive as search for missing mother hits 6-month mark
July 30, 2026 7:14 PM EDT / CBS News
By Jonathan Vigliotti, Amanda Arden
A hair sample that underwent forensic testing after being found at the Tucson, Arizona, home of Nancy Guthrie, the missing mother of “Today” show co-host Savannah Guthrie, came back inconclusive and did not point to a suspect, the sheriff overseeing the local investigation told CBS News on Thursday.
“It came back with no results,” Pima County Sheriff Chris Nanos said. The sheriff’s department said the results from the hair sample were verified in early June. Thursday was the first time they shared that information publicly.
Nanos noted there was blood and other DNA found at the scene that is also still being analyzed, but has so far also yielded no results.
“I know that there was blood at the scene and so that was also part of the processing of the scene,” Nanos said.
CBS News previously reported in May that a DNA sample that was sent by sheriff’s detectives to a private laboratory in Florida was then forwarded to the FBI’s crime lab in Quantico, Virginia. Officials did not confirm, however, any details about that sample or whether it was the hair sample in question.
“We have a lot of DNA that is being looked at by credible scientists around the country who know and understand what they have in front of them and they understand the rules that they have to play by,” Nanos said.
Nancy Guthrie, 84, was last seen on the evening of Jan. 31 when she was dropped off after dining at the home of her daughter Annie. Security video from Nancy Guthrie’s home showed a suspect at her front door in the early morning hours of Feb. 1.
Investigators have said they believe Guthrie was likely abducted, and at least two ransom notes were sent in the days after she went missing.
“Even when a case goes cold, we don’t give up on it,” Nanos said. “We continue to work it. This one’s far from being cold. God forbid this ever takes 50 years, but it could.”
Other than the surveillance video from Guthrie’s home that was released earlier in the investigation, no new video has been recovered. And it appears the suspect or suspects evaded traffic cameras.
Asked if he believes the suspects could be local to the Tucson area, Nanos said “absolutely.”
“Do I have evidence of it? No,” Nanos said. “But let’s look at crime across the country, around the world, who by far, 90%, 95% of your criminals are where? Right here locally.”
On Monday, Savannah Guthrie posted a video to social media directed at her mother’s kidnappers.
“So I’m asking you, begging you to do the right thing now,” she said in the clip. “Make the right choice. Help us find her. Tell us where to look for her. I truly believe it is never too late to do the right thing.”
The sheriff on Thursday also addressed the criticism that was previously levied against him by FBI Director Kash Patel, who claimed the sheriff’s department was slow to involve the FBI in the case.
“I’ve never talked to him,” Nanos said of Patel. “No, I have no reason to. If I needed him, I’m sure I could talk to him. What I need is to know that his team and my team are working close together and that absolutely they are and they have been for decades.”
Nanos said he is optimistic that the case will be resolved “based on all the evidence before me.”
“The bottom line here is this: We know more than you will ever know, because that’s how investigations work,” he said.
Anna Schecter contributed to this report.
https://www.cbsnews.com/video/savannah-guthrie-speaks-out-new-details-revealed-nancys-case/
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