WASHINGTON — A judge on Thursday ordered a new trial for the man convicted of the 2001 slaying of former Bureau of Prisons intern Chandra Levy.

Punctuating an extraordinary sequence of events that has slowly unfolded over the past several years, District of Columbia Superior Court Judge Gerald Fisher granted the request for a new trial made by attorneys for Ingmar Guandique.

The new trial will feature different attorneys arguing before a new judge who must now come quickly up to speed on a killing that has, at times, attracted both national notoriety and fevered speculation.

“I am not familiar with the facts,” D.C. Superior Court Judge Robert E. Morin said Thursday morning, “other than it’s a homicide.”

Guandique was convicted of first-degree murder in 2010 based largely on the testimony of former gang leader Armando Morales, who testified that Guandique had confessed to him while they were cellmates in a federal prison in Kentucky. Morales’ credibility has since been questioned, hence the new trial.

Levy’s disappearance brought to light her affair with then-Congressman Gary Condit. Prosecutors said Condit, a California Democrat, was never a suspect in the killing.