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    Jen J. Danna | 
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    Gemma Capello, a detective with the NYPD who specializes in hostage situations, in the NYPD Negotiators series: | 
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    Exit Strategy (2020)  | 
    Shot Caller (2021)  | 
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    Written with Ann Vanderlaan 
      Leigh Abbott, a state police 
homicide detective, and Matt Lowell, a forensic anthropologist, in in 
Massachusetts: | 
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    Dead, Without a Stone To Tell It (2013) 
      No One Sees Me ’Til I Fall (2013) [ebook 
        novella] 
      A Flame in the Wind of Death (2014)  | 
    Two Parts Bloody Murder (2015) 
      Lament The Common Bones (2017)  | 
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     Written as Sara Driscoll 
      Meg Jennings, FBI Special Agent, and Hawk, her  search-and-rescue Labrador, in the FBI K-9 mysteries: | 
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    Lone Wolf (2016) 
      Before It’s Too Late (2017) 
      Storm Rising (2018)  | 
    No Man’s Land (2019) 
      Leave No Trace (2020) 
      Under Pressure (2021)   | 
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