 In 1793, Condorcet was added to a list of men and women who were “proscribed” by the government of the Terror and had to go into hiding to evade arrest. Condorcet remained in hiding until spring of 1794 when he attempted to run and died under an assumed name (possibly of poisoning, possibly of a heart attack) in a small town outside Paris. During his time in hiding, he completed the introduction to a encyclopedic work on the progress of humanity which he had started several decades earlier. There is evidence that Grouchy helped him with this work during her frequent visits. At the very least, she edited an incomplete manuscript, adding several passages which were deleted by a later editor.