Source: Yahoo News - Top HeadlinesNidal Malik Hasan, a former Army officer and psychiatrist who killed 13 people and injured 32 others during a mass shooting at Fort Hood, Texas, in 2009, will be executed by a U.S. Former army psychiatrist Nidal Hasan faces death penalty for shooting dead 12 active-duty ⁠soldiers and a retired serviceman in 2009 Key points and original sources are listed below.

• Source: Yahoo News - Top HeadlinesNidal Malik Hasan, a former Army officer and psychiatrist who killed 13 people and injured 32 others during a mass shooting at Fort Hood, Texas, in 2009, will be executed by a U.S. Army firing squad, the Pentagon announced Mon...S1

• Former army psychiatrist Nidal Hasan faces death penalty for shooting dead 12 active-duty ⁠soldiers and a retired serviceman in 2009S2

• Pentagon confirms execution order for Nidal Hasan, convicted of killing 13 in Fort Hood shooting in 2009.S3

• US President Donald Trump has approved the execution by firing squad for Nidal Malik Hasan, who was convicted over the 2009 Fort Hood shooting that killed : https://punchng.com/trump-approves-firing-squad-execution-of-us-army-base-shooter/S4

• Hasan killed 13 people in the 2009 attack. His execution would be the US military’s first since 1961.S5

• The Army psychiatrist walked into a medical building where soldiers were getting medical checkups, shouted “Allahu akbar” — Arabic for “God is great!” — and opened fire with a laser-sighted handgun. Thirteen people were killed and more than 30 injuredS6

• US President Donald Trump has approved a firing-squad execution for former Army psychiatrist Nidal Malik Hasan, convicted of the 2009 Fort Hood shooting that killed 13 people. This marks the US military's first approved execution since 1961.S7

• Nidal Hasan was sentenced to death by a military jury in 2013 for carrying out the Al-Qaeda inspired mass shooting of 13 people at Fort Hood in Texas.S8