In plaintiff. Watching lawyers "have at it" with witnesses is often the most interesting part of a trial.

Sometimes impeachment is very easy. The eyewitness testimony of a visually impaired man can be impeached by establishing that his eyesight has limitations.

In civil actions, inconsistent statements -- for example, one in a testimony of a witness. In some cases, expert witnesses neutralize each other’s testimony.

A testimony or evidence of another witness.

See Direct and Cross Examination.

See also Trial.