BOSTON — In a significant victory for the defense, the court said Judge Richard Stearns’ background as a former federal prosecutor could create the appearance of bias.

BOSTON — James “Whitey” Bulger cannot present evidence to a jury about his claim that he was given immunity for future crimes.

BOSTON — A claim by a lawyer for gangster James “Whitey” Bulger that his client was never an FBI informant is a tactic to influence jurors in the upcoming murder trial, federal prosecutors charged in court documents filed Friday.

BOSTON — It’s the latest of at least three trips to the hospital since the 83-year-old reputed mobster was captured in 2011.

BOSTON — Ahead of his June trial, two Boston Globe reporters have a new biography of James “Whitey” Bulger. We speak with the authors.

BOSTON — When asked what his basis would be for the existence of an immunity agreement if Bulger was not an informant, Carney said they would present the answer when the trial starts in June.

BOSTON — Attorney J.W. Carney said the accused former Boston mob boss was still granted immunity by a U.S. attorney.

BOSTON — James “Whitey” Bulger’s defense team is seeking to have Judge Richard Stearns removed.

BOSTON — James “Whitey” Bulger’s defense is seeking to have Judge Richard Stearns removed.

BOSTON — James “Whitey” Bulger’s lawyers have twice asked U.S. District Judge Richard Stearns to recuse himself.

BOSTON — Attorney J.W. Carney argues that the decision by Judge Richard Stearns to remain on the case threatens the integrity of the process.

BOSTON — In documents filed Friday, prosecutors call Bulger’s claim of immunity “frivolous” and “absurd.”

BOSTON — Catherine Greig says family of Bulger’s alleged victims shouldn’t have been allowed to speak at her sentencing.

BOSTON — Jury selection in the trial of Boston mobster James “Whitey” Bulger will begin on June 6.

BOSTON — The U.S. Marshal’s Service says Boston mobster James “Whitey” Bulger is out of the hospital and back in jail, where’s he awaits trial for his alleged role in 19 slayings.

BOSTON — Law enforcement sources tell WBUR the 83-year-old was taken to Boston Medical Center early Sunday after complaining of chest pains.

BOSTON — James “Whitey” Bulger’s trial is scheduled to begin in March, but his lawyers say they need more time to prepare.

BOSTON — The federal judge presiding over the trial of Boston mobster James “Whitey” Bulger has refused a defense lawyer’s request to recuse himself.

BOSTON — The ex-mobster’s lawyers say the current trial date infringes on Bulger’s constitutional rights to effective assistance of counsel and due process of law.

BOSTON — Attorney J.W. Carney said former U.S. Attorney for Massachusetts Jeremiah O’Sullivan granted Bulger immunity.