Mexican cartel leader Zambada pleads not guilty to US charges

NEW YORK CITY, New York: An influential leader of Mexico's Sinaloa cartel Ismael "El Mayo" Zambada pleaded not guilty this week in a U.S. drug trafficking case that accuses him of engaging in murder plots and ordering torture.

In a court hearing through a Spanish-language interpreter, Zambada offered yes-or-no answers to a magistrate's standard questions about whether he understood various documents and procedur