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:
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 . The U.S. citizens worked as contractors at the New Mexico laboratory .