This article suggests that documented cases of convictions of innocent people based on faulty eyewitness accounts conservatively tell us that there is room for improvement in our legal procedures. One suggested improvement is to educate jurors through expert testimony. Nearly a century of research has been conducted on the psychological factors that influence the accuracy and completeness of eyewitness accounts. Although our knowledge is not perfect, and undoubtedly never will be, it can still be useful in clarifying commonly held misconceptions. Further research will shed light on what forms of expertise can best provide the needed improvement. (Author abstract)