Authorities are working to understand the planning and preparation of the attack and are considering whether to lay more charges.
A preliminary law enforcement review of Mr Matar's social media accounts showed he was sympathetic to Shi'ite extremism and Iran's Islamic Revolutionary Guard Corps , according to NBC New York.
FBI officials went to his last listed address, in Fairview, a Bergen County borough just across the Hudson River from Manhattan, on Friday evening, NBC New York reported. Police said on Friday they had not established a motive for the attack on Rushdie, 75, who was being introduced to give a talk to an audience of hundreds on artistic freedom when the attacker rushed to the stage and lunged at the novelist.Several hardline Iranian newspapers poured praise on Saturday on the person who attacked and seriously wounded Rushdie, whose novel "The Satanic Verses" had drawn death threats from Iran since 1989.
Australia Latest News, Australia Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Salman Rushdie attack: suspect charged with attempted murderSuspect, 24, from Fairview, New Jersey remanded without bail over alleged attack on author in New York
Read more »
Police identify Salman Rushdie attack suspect as 24-year-old from New JerseyHadi Matar, 24, in custody after author of Satanic Verses was stabbed at literary event in western New York
Read more »
Suspect who attacked author Salman Rushdie identifiedNew York police have identified the suspect who attacked and stabbed Salman Rushdie in the neck - the author whose writing led to death threats from Iran in the 1980s. 9News
Read more »
Salman Rushdie unable to speak and may lose one eye after he was stabbed on stageSalman Rushdie's agent said the novelist is on a ventilator, unable to speak and may lose one eye after he was stabbed in the neck and torso during a writer's conference in New York.
Read more »
A timeline of key events following Iran's fatwa against author Salman RushdieIndian-born novelist Salman Rushdie was ordered killed by Iran in 1989 because of his writing. Here is a timeline of all that followed.
Read more »