A grand jury formally indicted Nicholas John Roske on Wednesday, charging him with the attempted assassination of a Supreme Court justice.
The Simi Valley, California, man is in federal custody and is facing a maximum sentence of life in prison if convicted.
According to the indictment, the feds obtained a Glock 17 firearm, two Glock magazines with 10 rounds of 9 mm ammunition each, 17 rounds of 9 mm ammunition in a plastic bag, black speed loader, streetlight TLR4 light and laser, black gloves, a belly band holder, pepper spray and a knife.
No court appearance has been scheduled yet.