Boston Marathon Bomber's Death Sentence Under Scrutiny Amid Juror Bias Claims

Judge O'Toole to investigate allegations of juror misconduct that could overturn Dzhokhar Tsarnaev's death penalty.

Defense attorneys request Judge O'Toole's recusal, citing past comments on the case.
O'Toole to conduct a thorough inquiry into potential juror bias during Tsarnaev's trial.
Prosecutors do not oppose a hearing but consider the recusal motion meritless.
If bias is confirmed, Tsarnaev may receive a new penalty-phase trial.
Victims and survivors express frustration over the prolonged legal process.