NEW : The indictment names 17 other accused members of the FARC as defendants . An alleged leftist rebel pleads not guilty to holding Americans hostage . Alexander Beltran Herrera is extradited from Colombia to face charges in Washington . Score: 7 Justice Department : Beltran Herrera is accused member of the FARC rebel group .
NEW : An alleged leftist rebel pleads not guilty to holding Americans hostage . Alexander Beltran Herrera is extradited from Colombia to face charges in Washington . Score: 7 Justice Department : Beltran Herrera is accused member of the FARC rebel group .