FILE- In this Friday, June 10, 2016 file photo, French riot police officers patrol under the Eiffel Tower, in Paris. A young French man who recently was discharged from a psychiatric hospital is under investigation for glorifying terrorism after he brandished a knife and tried to breach security at the Eiffel Tower, authorities said Sunday, Aug. 6, 2017. (AP Photo/Kamil Zihnioglu, File)