Who's who: Real-life NCIS mystery
A guide to sources and information related to the investigation into Kyle Antonacci's death.
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Dr. Richard Keller
Dr. Richard Keller was the Lake County, Ill. coroner at the time of Kyle Antonacci’s February 2010 death. His office said Antonacci’s cause of death could not be determined. In October 2012, Dr. Keller wrote a notarized letter stating he believes that Antonacci died as a result of homicide.
Credit: Provided Photo/Lake County web archive
Related: Real-life NCIS: Was sailor murdered?
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