Nidal Hasan, the former U.S. The execution of Nidal Malik Hasan will be the first military execution since 1961 and the first by firing squad since the end of World War Two. Key points and original sources are listed below.

• Nidal Hasan, the former U.S. Army major who killed 13 people at Fort Hood in Texas in 2009, will be executed by firing squad, officials said Monday.S1

• The execution of Nidal Malik Hasan will be the first military execution since 1961 and the first by firing squad since the end of World War Two.S2