Professor Baker weighs in on a new trend of allowing expert opinion on the status of the law. He begins with a brief history of lay and expert opinion testimony and continues with an analysis of Rule 702 of the Federal Rules of Evidence before concluding that expert opinion on the law simply has no place in federal practice.
Thomas E. Baker,
The Impropriety of Expert Witness Testimony on the Law
, 40 U. Kan. L. Rev. 325
Available at: https://ecollections.law.fiu.edu/faculty_publications/180