According to the New York Daily News, a popular Columbia professor was accused and charged of incest for a sick sex relationship with his daughter.

Political science Prof. David Epstein, 46, bedded the young woman over a three-year period ending last year, according to court papers.

Epstein's defense Attorney has stated:

"We ask that everyone remember that he is innocent until proven otherwise and that these allegations are nothing more than allegations,"

Epstein, who specializes in American politics and voting rights, has taught at Harvard and Stanford and often is quoted by news organizations.

Sources said his daughter was over 18 when the relationship first  began in 2006 and that the two often exchanged twisted text messages that detailed the sexual acts that they wanted to do with each other.

Epstein is married to another Columbia political science professor, Sharyn O'Halloran, but though a recent update to his Facebook page, it says that he is single.

Epstein faces up to four years behind bars if convicted on a single felony incest count.

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