Lindh is suing the US government, saying the prison is stifling his religious freedom.
An imam told the court Tuesday that John Walker Lindh's brand of Islam does not require group prayer.
John Walker Lindh says a Terre Haute prison's prohibition of group prayer violates his religious rights.
The courtroom portion of the trial concluded almost two weeks earlier than expected.
The defense called just one witness in the trail of Tim Durham, who is accused of embezzling $200 million.
The jury in the Tim Durham trial may begin its deliberations by the end of the week.
Tim Durham is accused of embezzling money from clients at Fair Financial.
A federal jury in Indianapolis will hear opening statements this morning in the trial against Indianapolis businessman Tim Durham.
Opening arguments are set to begin Monday. The trial is expected to last up to four weeks.
Indiana canceled a contract with IBM to process its welfare applications. IBM is suing for money it says the state owes the company.