Key facts
- Mohamed Sabry Soliman pleaded guilty to nine counts of federal hate-crime offenses and three explosives charges.
- Soliman is serving a life sentence for state charges, including first-degree murder.
- The June 1, 2025, attack killed 82-year-old Karen Diamond.
- Soliman yelled "Free Palestine" during the firebombing.
- Soliman told investigators he wanted to "kill all Zionist people."
An Egyptian national, Mohamed Sabry Soliman, pleaded guilty on Thursday to federal hate-crime charges for firebombing a pro-Israel rally in Boulder, Colorado, on June 1, 2025. The attack resulted in the death of 82-year-old Karen Diamond from her burns. Soliman is already serving a life prison term for state charges, including murder, related to the incident. Prosecutors stated Soliman yelled "Free Palestine" during the attack and used a makeshift blowtorch. He had disguised himself as a gardener and carried additional gasoline bombs.