As Alan Rickman finished his work onHarry Pottermovies, he revealed author J.K. Rowling onceshared one tiny, little, left of field piece of informationthat helped him realize there was more to the sneering Hogwarts potions master than Harry or anyone else might have known.

Now, after the death of Rickman last week at the age of 69, Rowling is sharing just what she said to make Snapes intentions more clear.

Answering a question from a fan, shewrote on Twitter: I told Alan what lies behind the word always.

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Credit: Jaap Buitendijk

Rickman, who played Snape through all eightPotterfilms, toldHitFixin 2011 how that piece of information helped shape his performance of the complicated character and his relationship with Harry (Daniel Radcliffe).

[It] helped me think that he was more complicated and that the story was not going to be as straight down the line as everybody thought, Rickman said.

If you remember when I did the first film shed only written three or four books, so nobody knew where it was really going except her.

And its was important for her that I know something, but she only gave me a tiny piece of information which helped me think it was a more ambiguous route.

He added, What I knew was he was a human being and not an automaton and I knew there was some sense of protection for Harry or I worked that out.

It was enough to know, I didnt know he was a double agent.Looking Back at Alan Rickmans Life | PrettyFamous

Last week, Rowling remembered Rickman asa magnificent actor and a wonderful man,whileRadcliffeand fellow costarEmma Watsonwere also among those who paid tribute.