The sister of the Boston Marathon bombing suspect was arrested in New York City on Wednesday for allegedly making a bomb threat , police said . Ailina Tsarnaev , 24 , sister of Dzhokhar and Tamerlan Tsarnaev , was charged with aggravated harassment after a bomb threat was made by phone to another woman Monday . The recipient , whose name was not released , notified police of the threat , according to New York Police Department Lt. John Grimpel . Ailina Tsarnaev , a resident of North Bergen , New Jersey , turned herself in to authorities Wednesday . Her boyfriend shares a child with the woman who was threatened , Grimpel said . Alina Tsarnaev is no longer in custody and is expected to report to Manhattan criminal court on September 30 , according to Grimpel . Calls to her attorney were not immediately returned to CNN . Her brothers were accused of planting pressure-cooker bombs at the finish line of the 2013 Boston Marathon that killed three people and injured more than 260 . They also were accused of killing a Massachusetts Institute of Technology police officer . Older brother Tamerlan was killed in a police shootout , and Dzhokhar was captured in the days after the bombing . Dzhokhar Tsarnaev is awaiting trial in November on terrorism charges . Friend of Boston bombing suspect pleads guilty to obstructing justice . What did suspected bomber 's widow know ?
Ailina Tsarnaev was charged after another woman received a bomb threat by phone . She is the sister of Dzhokhar and Tamerlan Tsarnaev . They were sought after he 2013 Boston Marathon bombing . Tamerlan died in a police shootout , and Dzhokhar was captured and awaits trial .