#investigation

In the end, it is the evidence that will speak.

From The Poisoner's Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York by Deborah Blum

The dead don't talk, but they do tell a story.

From The Poisoner's Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York by Deborah Blum

Suspicion is the mother of investigation.

From The Suspicions of Mr. Whicher by Kate Summerscale