Cuban police watch as demonstrators march in front of the US Interest Office in Havana 09 December, 1999, to demand the return of six-year-old Elian Gonzalez. US officials have outlined procedures the boy's father, Juan Miguel Gonzalez, must follow to prove his claim that the boy should be returned to Cuba. Gonzalez must provide documentary evidence of his relationship to the boy and prove that he has carried out his parental obligations.   AFP PHOTO / ADALBERTO ROQUE (Photo credit should read ADALBERTO ROQUE/AFP/Getty Images)