This is especially true when lawyers fear that biases or intensive news coverage might have shaped potential jurors' views.
The President's lawyers had once feared that the three witnesses would lead to their darkest nightmare, a trial of months.
His lawyer fears time may be running out.
What his personal lawyers fear, however, is that doing so may waive the Clintons' privilege with them.
Other lawyers fear that the abolition of the rule could hurt defendants.
Their lawyers feared that because of the serious nature of the charges, the prosecutors might seek to try them as adults.
Celebrities are usually dismissed without being chosen, because lawyers fear they will have too much influence over other jurors.
And lawyers fear that many may be in detention without the knowledge of a lawyer or their embassy.
Originally, Smith's lawyers and doctors feared he might not be fit to stand trial.
And his family and lawyers fear that he may have been beaten in jail.