TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : The Sleepwalker Killing also known as From the Files of Unsolved Mysteries:
Question : Which is the basis of The Sleepwalker Killing?

SOLUTION: Unsolved Mysteries

PROBLEM: Context : John E. Hatley is a former Master Sergeant in the United States Army serving a 40-year sentence in the Fort Leavenworth Disciplinary Barracks for the murder of four Iraqi detainees.
Question : Which crime John E. Hatley is considered to have commited?

SOLUTION: murder

PROBLEM: Context : Adolf Wagner (1 October 1890 in Algrange, Alsace-Lorraine -- 12 April 1944 in Bad Reichenhall) was a German soldier and high-ranking Nazi Party official born in Algrange, Alsace-Lorraine.
Question : When was Adolf Wagner's death?

SOLUTION:
12 April 1944