An act or process of reinvestigating: a repeat of an earlier investigation (noun)
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Use "reinvestigation" in a sentence
"Calling for a reinvestigation is the ONLY SANE thing to do if you want to get to the truth once and for all."
"Zsolt Bodoni: Gods and Mortals | Bodoni's new works make no apologies for the reinvestigation of age-old subject matter: most notably the female nude and the equestrian statue."
"Dr. Lee has been involved in many high-profile cases, including murder allegations against O.J. Simpson, the disappearance of JonBenet Ramsey and the reinvestigation of President John F. Kennedy's assassination."