Rio, 12/12/2003 (Agência Brasil - ABr) - The four children of Todd and Michelle Staheli, the couple that was murdered in Rio de Janeiro, have returned to the US accompanied by their grandparents and other relatives. Shell of Brazil, where Todd Staheli was an executive, released a note saying that the family members desired to return home. The company said it would continue to assist local authorities in their investigation of the tragic event. (AB)