The menacing posts began cropping up on Twitter last September just hours after a former aide to Gov. Andrew M. Cuomo of New York sued him over sexual harassment claims.
The tweets attacked the aide, Charlotte Bennett, in starkly personal terms. “Your life will be dissected like a frog in a HS science class,” read one of the most threatening, which also featured a photo of Ms. Bennett dancing at a bar in lingerie.
The post was part of a thread written by Anna Vavare, a…