French President Emmanuel Macron, center, is seen outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)A police car enters the perimeter after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was decapitated, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French President Emmanuel Macron, second left, is seen outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French rescue workers and police officers gather outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)Police officers block the access after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was decapitated in a French street on Friday and police have shot the suspected killer dead, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. (AP Photo/Michel Euler)French police officers stand outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. The teacher had received threats after opening a discussion "for a debate" about the caricatures about 10 days ago, the police official told The Associated Press. (AP Photo/Michel Euler)French police officers gather outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French President Emmanuel Macron, center, is seen outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French President Emmanuel Macron, left, is seen outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French police officers gather after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was decapitated in a French street on Friday and police have shot the suspected killer dead, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. (AP Photo/Michel Euler)French police officers gather outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)French police officers gather outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Saint-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)
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French President Emmanuel Macron, center, is seen outside a high school after a history teacher who opened a discussion with students on caricatures of Islam's Prophet Muhammad was beheaded, Friday, Oct. 16, 2020 in Conflans-Sainte-Honorine, north of Paris. Police have shot the suspected killer dead. (AP Photo/Michel Euler)
