Vallombroso v. United States February 24, 2014 | 0 Comments | SEE FULL TEXT OPINION share share on linkedin Facebook share on twitter share on google+ Share With Email Send Thank you for sharing! Your article was successfully shared with the contacts you provided. print reprints U.S. District Court Arterton, J. A lay individual may testify about the effect of combining two substances, based on personal experience, pursuant to Rule 701 of the Rules of Evidence. VIEW COMMENTS ( 0 ) ADD COMMENT What's being said Sign In Terms & Conditions Comments are not moderated. To report offensive comments, click here. Preparing comment abuse report for Article# 1202644055998 Send Thank you! This article's comments will be reviewed.