Reading these stories is like shaking the gift boxes under the Christmas tree:
The special counsel in the inquiry, Patrick Fitzgerald, accepted Mr Rove's offer to give unexpected new testimony, just days before the expected conclusion of a two-year investigation into the leak of a clandestine CIA agent's identity.
However, before accepting the offer, Mr Fitzgerald sent a formal letter to Mr Rove's legal team, saying that he could not guarantee that the presidential aide would not be indicted, according to the Associated Press, quoting "people directly familiar with the investigation".
Under US court procedures, such warnings are required before a witness gives evidence to a grand jury if there is a possibility that the witness could be charged. No such caution was issued to Mr Rove before his three previous appearances to testify in the case.