Marika Bret said her guards received threats on Sept. 14, and she blamed the the menacing on “an unreal level of hatred around Charlie Hebdo,” according to the BBC.

Charlie Hebdo was rocked by a terrorist attack in 2015. Two masked gunmen stormed into the magazine’s Paris headquarters with assault rifles and killed a dozen people after the satirical weekly published cartoons depicting the Prophet Muhammad.

Charlie Hebdo republished the same cartoons this month.