Arias defense tries to discredit state witness - Article Photos 11/11

Judge Sherry Stephens, second from left, talks with prosecutor Juan Martinez, left, and defense attorneys Jennifer Wilmott and Kirk Nurmi, right, during the Jodi Arias trial at Maricopa County Superior Court in Phoenix on Thursday, April 18, 2013. Arias faces a potential death sentence if convicted of first-degree murder in Travis Alexander's June 2008 killing at his suburban Phoenix home. (AP Photo/The Arizona Republic, Mark Henle, Pool)