21.   Speculation Saturday about who was behind the bugging focused on overzealous prosecutors, political operatives or rogue intelligence agents.

22.   Ten rogue agents were arrested for the murders, although the government said Wednesday that some were freed after questioning.

23.   Ten rogue agents arrested for the murders are widely believed to have been supporters of the hard-liners.

24.   The Intelligence Ministry has said the killers were rogue agents, acting without orders.

25.   The hard-line intelligence minister resigned earlier this month after his ministry disclosed that rogue agents were behind the murders of five dissidents and intellectuals late last year.

26.   The hard-line intelligence minister resigned this month after his ministry disclosed that rogue agents were behind the killings of five dissidents and intellectuals last year.

27.   The Intelligence Ministry, controlled by hard-liners, has said the killers were rogue agents acting without orders, a theory rejected by many reformists.

28.   The rogue agents are widely believed to have been loyal to hard-liners opposed to Khatami.