Two men opened fire outside an event holding a cartoon contest of the Prophet Mohammed before they were shot dead by police in suburban Dallas Sunday night.

While details about the gunmen, including their religion or their motive, weren’t immediately known, the shooting — as was the case in France in January and Denmark in February — targeted a facility where depictions of the revered Muslim prophet was being caricatured.

And it quickly reignited the debate on free speech versus provocation.

The keynote speaker at the event in Garland was right-wing Dutch politician Geert Wilders, who was placed on an al Qaeda hit list. And it was organized by the American Freedom Defense Initiative — considered an anti-Muslim group by the Southern Poverty Law Center, which tracks hate groups.

“The Islamic jihadis are determined to suppress our freedom of speech violently. They struck in Paris and Copenhagen recently, and now in Texas.” Pam Geller, president of the American Freedom Defense Initiative, told the press.