But a prosecutor claims circumstantial evidence left no doubt that Christian Gerhartsreiter was the killer.

WSJ: Impostor's lawyer suggests missing wife as killer

There is no evidence, direct or circumstantial, that refutes this testimony.

CNN: Transcript: White House Deputy Counsel Mills' statement

Defence counsel William Clegg QC pointed out the prosecution case was circumstantial and said there was no direct evidence that George was the killer.

BBC: George not guilty of Dando murder

And no matter how long they can deny using steroids, the evidence presented by Mitchell, no matter how flimsy or circumstantial, is a direct hit on their integrity.

CNN: Commentary: Integrity biggest loss in baseball scandal

While the circumstantial evidence against Gupta is strong, there was no concrete evidence, a recorded conversation, that put Gupta on the phone with Raj Rajaratnam passing inside information.

FORBES: Rajat Gupta Case - It's All Circumstantial

And a typical line from the instruction that is given to federal courts -- federal juries all across the land: The law makes absolutely no distinction between the weight or value to be given either to direct or circumstantial evidence, nor is a greater degree of certainty required of circumstantial evidence than of direct evidence.

CNN

A. There are no concrete examples of fraud, because independent monitors did not oversee polling in Iran, but the circumstantial evidence is persuasive.

CNN: Iran 101: Understanding the unrest