A low casualty count and lack of foreign ties do not mean that an attack is not terrorism, and dismissing one as such will weaken counterterrorism efforts.
The use of a small plane in a suicide attack on a building in Austin was an act of terrorism -- and it showed that an array of actors can use aircraft as weapons.
New threads of information about Iran's proxy forces have recently come to light, and when the strands are tied together they make for a very interesting story.
