New York seeks to assess threat of terrorist attacks in the region Van ##n the biggest risk is posed by individuals motivated by jihadist ideology . Worrisomely , around 100 Americans have traveled to fight in Syria with opposition groups , including with ISIS and the al Qaeda-affiliated Nusra Front . Large - scale terrorist attacks such as 9/11 are less likely due to increased security , he says .
New York seeks to assess threat of terrorist attacks in the region Van ##n the biggest risk is posed by individuals motivated by jihadist ideology . Large - scale terrorist attacks such as 9/11 are less likely due to increased security , he says .