When they lived, the stories in the NT could be verified by cross examination of those involved, and they were. (religion.blogs.cnn.com)
In general, you can't ask your own witness a leading question, but you may do so toward a hostile witness on cross examination. (law.stackexchange.com)
His diverse experience in litigation has made him an expert in cross examinations, oral arguments and witness preparation. (ropergreyell.com)