Momena Shoma, 24, who was confined for wounding a resting Australian man in Melbourne on 9 February, had close ties with adolescents, who were propelled by aggressor belief system.
Shoma's more youthful sister Asmaul Husna Sumona said this to the police, as per the law authorization authorities.
They said a gathering of these adolescents left Bangladesh for Syria for battling for aggressor out6fit Islamic State (IS) while the other gathering was included io the assault at Holey Craftsman bistro, an upscale eatery in Gulshan of Dhaka, on 1 July 2016 that left 22 individuals executed.
Momena Shoma headed out to Melbourne on 1 February on a legitimate understudy visa however was confined for wounding her landowner Roger Singaravelu on 9 February.
Two days after the assault, Momena's more youthful sister Asmaul Husna Sumona assaulted the police authorities, who went to enquire about her family at their Mirpur habitation in Dhaka, the police said. Asmaul Husna is in prison now.
Momena Shoma, who is as of now in a correctional facility in Australia, was spurred by 'fear mongering' since she was a moment year understudy at North South College (NSU) in 2012, the investigative officers guaranteed.
The police said Shoma was a contemporary of Redwanul Azad Rana, the key blamed in the blogger Rajib Haider kill case, Quazi Mohammad Rezwanul Ahsan Nafis, who endeavored to explode a 1,000-pound bomb at the New York Central Bank, and Nibras Islam, one of the Holey Craftsman assailants and a couple of different young people.
Asmaul Husna Sumona was said to have told the police that Momena Shoma kept up contact with Nibras Islam and Rohan Imtiaz, another assailant at the Holey Craftsman bistro.
The police discovered that Momena and a few different young people joined a talk composed by a Somali Islamic college while she was a third-year understudy.
Around then, Momena's mom lost her vision as she was experiencing diabetes and kidney illnesses. Her dad Moniruzzaman reached a matchmaking site.
The police presumed the activist young people had grown close contact with the individual who used to run the matchmaking site. Momena met Gazi Quamrus Salam assumed name Sohan here, said the police adding that Quamrus Salam went to Syria to battle for IS and returned home later.
At the point when Momena Shoma's mom required blood, Quamrus Salam brought Nazibullah Ansari, a recorded Jamaat-ul-Mujahideen (JMB) aggressor, as a giver, as indicated by the police. Momena is suspected to have had contact with Nazibullah Ansari after that.
In 2015, Momena endeavored to go to Turkey to examine in Ankara's Atilim College with a grant. When she was denied visa for Turkey, she endeavored to go to Tunisia that year. Tunisia stays on top as far as enlistment by IS contenders.
As per the police, both Momena and her sister Asmaul Husna began grasping fanaticism after their mom's demise in 2015.
Their dad Maniruzzaman told the police that he could understand that his girls were turning radicals, the police guaranteed.
They generally used to have discourses on religious points and put comments on what were correct and what not and influenced everybody to take after their guidelines entirely, the police said citing their dad.
The police, be that as it may, said they are yet to get any contacts of Asmaul Husna with any aggressor.
Momena, as indicated by the police, was found to have had joins with the radicals.
A group of Australian Government Police came to Dhaka and cross examined Asmaul Husna. Presently, examiners of the Counter Psychological oppression and Transnational Wrongdoing (CTTC) unit of Dhaka Metropolitan Police (DMP) have chosen to go to Australia to grill Momena.