A jury reached a verdict in the Zacarias Moussaoui death penalty trial.
Moussaoui's punishment for his crimes will be a sentence of life in prison without the possibility of release.
The jury deliberated seven days in deciding the sentence for his role in the 2001 terrorist attacks on the US.
He is the only person charged in the US in connection with 9/11.
He was in jail on immigration violations at the time of the attacks, but the jury had found that by lying to agents after his arrest, he kept the government from stopping some of the hijackers.