Alberto Yusi Lajud-Pena, the alleged leader of the New York cell, is believed to be dead.

WSJ: Group Arrested in Alleged Global ATM Cybercrime

The accused ringleader in the U.S. cell, Alberto Yusi Lajud-Pena, was reportedly killed in the Dominican Republic late last month, prosecutors said.

WSJ: Global network of hackers steal $45m from ATMs