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b'After weeks of speculation, we now know how Gabby Petito died. The Teton County, Wyoming, coroner, Dr. Brent Blue, says Petito\\u2019s death is strangulation. Petito\\u2019s boyfriend Brian Laundrie is a person of interest in her disappearance but has not yet been named a suspect in her death investigation. Although Blue made reference to domestic violence in his press conference. Brian Laundrie has been missing since September 13, two days after Petito was reported missing. He returned to his Florida home on September 1 without Petito, but with the converted camper van the couple had been traveling in on their cross-country road trip. Laundrie is currently the subject of a federal warrant alleging he accessed funds from another person\\u2019s bank account, which he was not authorized to use, in late August and early September.\\n\\nJoining Nancy Grace Today:Wendy\\xa0Patrick - California prosecutor, author \\u201cRed Flags\\u201d www.wendypatrickphd.com \'Today with Dr.\\xa0Wendy\' on KCBQ in San Diego, Twitter: @WendyPatrickPHDDr.\\xa0Angela\\xa0Arnold - Psychiatrist, Atlanta GA www.angelaarnoldmd.com, Expert in the Treatment of Pregnant/Postpartum Women, Former Assistant Professor of Psychiatry, Obstetrics and Gynecology: Emory University, Former Medical Director of The Psychiatric Ob-Gyn Clinic at Grady Memorial HospitaSheryl\\xa0McCollum\\xa0- Forensic Expert & Cold Case Investigative Research Institute Founder, ColdCaseCrimes.org, Twitter: @ColdCaseTips Joe Scott Morgan - Professor of Forensics: Jacksonville State University, Author, "Blood Beneath My Feet", Host: "Body Bags with Joseph Scott Morgan"\\xa0Mahsa\\xa0Saeidi -\\xa0Investigative Reporter,\\xa0WFLA-TV (Tampa), Twitter/Instagram: @MahsaWho, Facebook: "WFLAMahsa"'