Judge Maxwell Wiley ruled the videotaped confession of Pedro Hernandez can be used in his murder trial.
Pedro Hernandez, 53, confessed in a May 2012 interview to strangling 6-year-old Etan Patz.
There is sufficient evidence against Pedro Hernandez for the case against him to be heard, a judge ruled.
Pedro Hernandez's attorney sought to prove a jury received inadmissible evidence.
Pedro Hernandez will be backed by a famous British forensic psychologist, his lawyer said.
Pedro Hernandez's lawyer says his client's statements about killing Etan Patz are not reliable.
A Manhattan grand jury indicted Pedro Hernandez for allegedly killing Etan Patz in 1979.
Jose Ramos, a suspect in the disappearance of Etan Patz, served 27 years for molesting two other boys.
Medical Examiner specialists used high-tech machines to check for human remains and other evidence.
Cops cut into a coal room in 448 West Broadway to search for clues in the Etan Patz case.
Police returned to the West Broadway storefront where Etan Patz's confessed killer once worked.
Cops still believe Pedro Hernandez is Etan Patz's killer, despite a lack of physical evidence.
Pedro Hernandez, 51, was moved to the Manhattan Detention Complex after weeks in Bellevue.
Police returned Tuesday to the Soho spot where Pedro Hernandez says he killed Etan Patz in 1979.
Norma Hernandez decried news stories that linked clothes found in her brother Pedro's home to Etan Patz.
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