CALIFORNIA EVIDENCE: CIVIL AND CRIMINAL
...Method of Exam: Cross-Exam
......Expert Witnesses
.........Impeachment vs. Rebuttal (Civil)
4 Cards On This Topic:

Calling undesignated expert to impeach other party's expert.

Where D introduced evidence of childhood abuse to bolster her claim she was an abused spouse, it was proper for DA to counter this testimony with expert opinion that an abused child may also grow up to be an abuser.

Impeachment evidence may include testimony to falsity or nonexistence of any fact used as foundation for any opinion by any other party's expert witness, but may not include testimony that merely contradicts opinion.

Distinction between impeaching expert's testimony and rebutting it with contradictory testimony.