LAS VEGAS (AP) — An Arizona man is due to plead guilty to illegally manufacturing tracer and armor-piercing bullets found in a high-rise hotel suite where a gunman took aim before the Las Vegas Strip massacre two years ago.

Douglas Haig isn’t accused of a direct role in the Oct. 1, 2017, shooting that killed 58 people and injured hundreds at an open-air music festival. It was the deadliest mass shooting in modern U.S. history.

Haig is a 57-year-old aerospace engineer who used to reload bullets at home in Mesa, Arizona, and sell them at gun shows.

His plea expected Tuesday will avoid a trial and mean he can’t possess guns or ammunition.

Defense attorney Marc Victor maintained that Haig couldn’t get a fair trial before a jury in trauma-scarred Las Vegas.

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