sentences:  After investigative work by blogger Julian Sanchez, Lott admitted to use of the Mary Rosh persona.Sanchez also pointed out that Lott, posing as Rosh, not only praised his own academic writing, but also called himself "the best professor I ever had".Many commentators and academics accused Lott of violating academic integrity, noting that he praised himself while posing as one of his former students and that "Rosh" was used to post a favorable review of "More Guns, Less Crime" on Amazon.com.