Washington ? Guantanamo detainees facing the death penalty could plead guilty without a full trial under a plan the Obama administration is considering, a senior administration official said Saturday.

The option, one of a number being debated by a Justice Department-led task force, would be aimed at the five detainees accused of planning the Sept. 11 attacks, said the official, who spoke on the condition of anonymity because the task force’s deliberations have not been made public.

It was unclear whether the option, first reported by The New York Times, was being considered for detainees other than those accused directly in the 2001 terrorist strikes.