A man accused of killing one person and injuring a dozen more in a firebomb attack on Colorado demonstrators showing support for Israeli hostages in Gaza plans to plead guilty this week, according to court documents.

Mohamed Sabry Soliman faces a life sentence without the possibility of parole if a state judge accepts his guilty plea in the June 1 attack in downtown Boulder , according to the documents filed by his attorneys on Sunday in a related federal case.

Soliman had previously pleaded not guilty after he was accused of throwing two Molotov cocktails during the demonstration at a pedestrian mall. An 82-year-old woman who was injured in the attack later died. A dozen others were also injured.

Soliman is an Egyptian national who federal authorities say was living in the U.S. illegally.…