niewiarygodny świadek

I actually think Hamlet is a very unreliable witness to events.

Accounts of unreliable witnesses and others pressured to testify or to withhold information.

But he has also given several other conflicting accounts and at one point was considered an unreliable witness.

Bluff evidence, false evidence, and unreliable witnesses were used to test their effect.

Thus, hypnosis creates a very able but unreliable witness.

He was criticised as an unreliable witness by several national newspapers.

The accuser would have been an unreliable witness because she was impaired on the night of the party, the report said.

"So we've got a secondhand report by an unreliable witness and a cold trail?"

He terms him an unreliable witness on attempts by the Swedish prosecutor to contact his client.

But other law enforcement officials say those theories have come from unreliable witnesses and suspects in some of the crimes.