The senator was called to testify at the trial.

VOA: special.2009.09.13

Two weeks after the Columbine massacre, Ludlow Colorado I got called before the U.S. Senate Commerce Committee to testify on the relationship of youth culture and violent entertainment.

科罗拉多可伦拜高中枪杀案，事发两周后,美国参议院商务委员会给我打电话,让我参加一场听证会,主题是青年文化和暴力性娱乐的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

However,the judge told the prosecution to continue lining up witnesses to testify against Kasab, saying his trial will continue.

VOA: standard.2009.07.23

Another,William Kennedy Smith, was tried and acquitted on rape charges, with the senator called to testify.

VOA: standard.2009.08.26

who is one of the plaintiffs and expected to testify in a class action lawsuit.

VOA: standard.2010.03.26

About 20 of his victims were allowed to testify on Thursday.

VOA: standard.2009.03.12