A visitor reaches to touch a name engraved at the Sept. 11 memorial site to remember the victims of the 2001 attacks on the World Trade Center, Thursday in New York. This year marks the 15th anniversary of the terror attacks.
A visitor reaches to touch a name engraved at the Sept. 11 memorial site to remember the victims of the 2001 attacks on the World Trade Center, Thursday in New York. This year marks the 15th anniversary of the terror attacks. Bebeto Matthews AP
A visitor reaches to touch a name engraved at the Sept. 11 memorial site to remember the victims of the 2001 attacks on the World Trade Center, Thursday in New York. This year marks the 15th anniversary of the terror attacks. Bebeto Matthews AP

15 years after Sept. 11, enemy’s tactics evolve

September 09, 2016 7:01 PM