Task: Explanation
Input (English): Colin Howell (born 14 March 1959) is a Northern Irish convicted double murderer. The murders and surrounding story were the subject of an ITV drama series "The Secret" broadcast in April and May 2016. Question: What is the book that was based on the crimes Colin Howell is convicted of ? Answer: Let This Be Our Secret
Output (English):  The murders and surrounding story were the subject of an ITV drama series The Secret broadcast in April and May 2016.