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ADL Statement on Fatality in Boulder Firebombing Attack
New York, NY, May 7, 2026 ... ADL (the Anti-Defamation League) today released the following statement on the guilty plea and sentencing of Mohamed Sabry Soliman, the individual responsible for the antisemitic firebombing in Boulder, Colorado, at a peaceful Run for Their Lives walk to bring attention to the hostages being held by Hamas.
We welcome today’s guilty plea and sentencing of the man responsible for taking the life of Karen Diamond and injuring 28 others in one of the most shocking antisemitic acts in American history. This attack deeply traumatized the entire Jewish community and served as a reminder of what can happen when antisemitism is normalized in society.
No act of justice will bring back the life of Ms. Diamond, nor will it heal the wounds of those who suffered as a result of this horrific attack on a peaceful group of Americans.
We are deeply grateful for the work of law enforcement and District Attorney Michael Dougherty and his staff for pursuing justice in this case.
This firebombing was not a random act. The perpetrator planned this attack for over a year, targeting Jewish community members who were peacefully and publicly expressing their values. This demands a serious response, but the resolution of the state charges is just the beginning of the long road to justice for the victims. As ADL’s latest data reveals, 2025 was the most violent year on record for American Jews since we started tracking this data in the 1970s, and last year saw the murder of three people in antisemitic attacks, including in Boulder. We are grateful to Gov. Polis for his partnership in securing additional Non-Profit Security Grant funding to help keep our communities safe, and we are working with individuals, families, schools and elected officials to confront antisemitism every single day.
ADL is the leading anti-hate organization in the world. Founded in 1913, its timeless mission is “to stop the defamation of the Jewish people and to secure justice and fair treatment to all.” Today, ADL continues to fight all forms of antisemitism and bias, using innovation and partnerships to drive impact. A global leader in combating antisemitism, countering extremism and battling bigotry wherever and whenever it happens, ADL works to protect democracy and ensure a just and inclusive society for all.