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b'Katherine Janness, 40, told her fiancee, Emma Clark, she was taking a walk with their dog, Bowie, and was never seen alive again. When Janness failed to return home, Clark reportedly traced the victim by using a phone app and found both Janness and Bowie dead at the entrance of the park. An officer with the Atlanta Police Department said the victim was stabbed numerous times.\\n\\nJoining Nancy Grace today:Darryl\\xa0Cohen\\xa0- Former Assistant District Attorney, Fulton County, Georgia, Defense Attorney,\\xa0Cohen, Cooper, Estep, & Allen, LLC, www.ccealaw.comDr.\\xa0Angela\\xa0Arnold\\xa0- Psychiatrist, Atlanta GA\\xa0www.angelaarnoldmd.com, Expert in the Treatment of Pregnant/Postpartum WomenJoe Scott Morgan - Professor of Forensics Jacksonville State University, Author, "Blood Beneath My Feet", Featured on "The Piketon Massacre: Return to Pike County" on iHeartRadioSheryl\\xa0McCollum\\xa0- Forensic Expert, Founder: Cold Case Investigative Research Institute in Atlanta, GA, ColdCaseCrimes.org, @ColdCaseTipsMichael Seiden - Reporter, WSB-TV in Atlanta, Twitter: @SeidenWSBTV,\\xa0Instagram: @mseiden1120'