A federal grand jury on Thursday indicted Keila Ravelo, a former Willkie Farr & Gallagher partner, for tax evasion and her alleged role in a scheme that used phony litigation support vendors to fraudulently obtain $7.8 million from two law firms where she was a partner, and from a former client, MasterCard.

Ravelo, 50, and her husband, Melvin Feliz, 49, originally were arrested in December 2014 and charged in a criminal complaint with conspiracy to commit wire fraud.