Peter is called for jury duty and is selected for possible service on the jury. However, when he is questioned by the defendant's attorney before final jury selection, he admits that he thinks the defendant is guilty based upon the news reports that he saw on the local television news. The defendant's attorney asks the judge to excuse Peter from the jury. The judge agrees.

This describes a challenge for cause.

This describes a peremptory challenge.

This is not a valid challenge.

The prosecuting attorney can have Peter serve by making an offer of proof to the judge.

Peter can be jailed because potential jurors are not allowed to watch TV news.