SEATTLE — A man who helped plot an attack with machine guns and grenades on a Seattle military complex was sentenced in federal court Monday to 17 years in prison, the US attorney’s office said.
Walli Mujahidh, 34, of Los Angeles, pleaded guilty in December to conspiracy to kill officers of the United States, conspiracy to use weapons of mass destruction, and unlawful possession of a firearm.
‘‘This defendant was a cold-hearted, enthusiastic partner in this murderous scheme.
He talked at length in recorded conversations about the innocent people he planned to gun down,’’ said US Attorney Jenny A. Durkan.
A codefendant, Abu Khalid Abdul-Latif, 35, of Seattle, was sentenced last month to 18 years in prison.
He pleaded guilty to conspiracy to use weapons of mass destruction and murder US officers.
Law enforcement was alerted to the plot by a person who was approached by Abdul-Latif about supplying guns and who acted as an informant.
The conspirators were recorded on audio and video discussing an assault on the Military Entrance Processing Station in south Seattle where the military processes enlistees.
In the recordings, the men discuss how they wanted to gun down people in revenge for atrocities by US soldiers in Afghanistan, prosecutors said.
The men were arrested in June 2011 when they tried to pick up three machine guns. The weapons had been rendered inoperable by law enforcement.