article_snippet: Defense lawyers opened the trial at U.S. District Court in .
article_snippet: In the most aggressive cross-examination by the defense in .
article_snippet: response to questioning by defense attorney Miriam Conrad.
article_snippet: When prosecutors wrap up prosecutors case it will be the defense's .
article_snippet: If he is found guilty, .
article_snippet: a second phase will play out that will focus on sentencing.