In this Oct. 13, 2013, file photo, Ailiana Tsarnaeva, sister of Boston Marathon bombing suspect Dzhokhar Tsarnaev, departs district court in Boston's South Boston neighborhood. Tsarnaeva has been arrested in New York City for allegedly threatening to bomb a Harlem woman.

AP Photo/Steven Senne

In this Oct. 13, 2013, file photo, Ailiana Tsarnaeva, sister of Boston Marathon bombing suspect Dzhokhar Tsarnaev, departs district court in Boston's South Boston neighborhood. Tsarnaeva has been arrested in New York City for allegedly threatening to bomb a Harlem woman.