NEW : Indictment alleges physicist wanted $ 793,000 for services . The scientist and his wife are accused of trying to provide nuclear secrets to Venezuela . Venezuela 's government knew nothing about the plans , officials say . Pedro Mascheroni , 75 , and Roxby Mascheroni , 67 , are U.S. citizens who worked as contractors at Los Alamos in New Mexico , officials said Friday . Comment:
NEW : Indictment alleges physicist wanted $ 793,000 for services . The scientist and his wife are accused of trying to provide nuclear secrets to Venezuela . Venezuela 's government knew nothing about the plans , officials say . Comment: