Saif was reportedly shot as he attempted to flee while carrying an explosive device. More explosive devices, located in his vehicle and on his roof were subsequently discovered and destroyed.
CAIR and its members have been at the center of a host of different controversies regarding antisemitism.
The suspect resorted to desperate measures when he attempted to evade arrest and destroy evidence, throwing phones off the building and jumping between balconies to different apartments.
Since the beginning of the current conflict, over 1,300 have been arrested in the West Bank, including 800 with ties to Hamas.
In September, Israel broke a 30-year record for administrative detention of Palestinians, hitting 1,264, Hamoked announced.
Elhadi was arrested after a series of social media posts that seemingly endorsed the violent actions of Hamas.
This arrest is part of the ongoing efforts to curb online incitement and endorsement of terrorism.