Answer: redrum

AnswerCrossword Clue
REDRUMMantra in "The Shining"
REDRUM"The Shining" mantra
REDRUM"The Shining" graffiti
REDRUMWord in "The Shining" with two mirror-image letters
REDRUMWord repeated by the boy in "The Shining"
REDRUMThree-time Grand National champion whose name is a kind of liquor
REDRUMReverse mantra of "The Shining"
REDRUMHorror film reversal?
REDRUMMirror graffiti in "The Shining"