1.   It is widely accepted that vast amounts of police time are wasted by calling constables unnecessarily as court witnesses but the problem has so far proved intractable.

2.   Among court witnesses, to be sure, coroners and medical examiners are more equal than others.

3.   Hundreds, if not thousands, of walks to the court witness stand.

4.   The two governments have traded court witnesses and confidential informants many times before.

5.   Like other court witnesses, Graham said street gangs control day-to-day life in the Memphis jail.