Rosemary Hernandez, center, wife of Pedro Hernandez, and daughter Becky exit criminal court in Manhattan with attorney Harvey Fishbein, right, Friday, May 25, 2012, in New York. New York police say Pedro Hernandez, 51, has confessed to choking to death a 6-year-old boy in a landmark U.S. missing-child case and was expected to face his first hearing Friday, the 33rd anniversary of the boy's disappearance. (AP Photo/ Louis Lanzano)
NEW YORK鈥� A lawyer for a man who police say confessed to choking to death a 6-year old boy in a landmark 1979 missing-child case said Friday his client is mentally ill and has a history of hallucinations.
Pedro Hernandez was arraigned on a murder charge Friday, the 33rd anniversary of the Etan Patz鈥檚 disappearance. He was held without bail.
The 51-year-old Hernandez appeared in court via video camera from a conference room at Bellevue Hospital, where he was admitted after making comments about wanting to kill himself.
Court-appointed lawyer Harvey Fishbein told the judge Hernandez is bipolar and schizophrenic.
He didn鈥檛 enter a plea. A judge ordered a psychological examination.
Hernandez was arrested Thursday after telling police he strangled Etan in 1979, when he was an 18-year-old stock boy at a convenience store where the boy waited for his school bus.
Etan disappeared on May 25, 1979, on his two-block walk to his bus stop in Manhattan in a case that made New York parents afraid to let their children out of their sight and sparked a movement to publicize the cases of missing youngsters. He was one of the first missing children to be pictured on a milk carton.
Hernandez, who emerged as a suspect just days ago, after police received a tip, told investigators that he lured the boy into the store, then led him to the basement, choked him and put his body in a bag with some trash about a block away, police said.
Authorities never found a body, and Hernandez鈥檚 confession put investigators in the unusual position of bringing the case to court before they had amassed any physical evidence or had time to fully corroborate his story or investigate his psychiatric condition.
Police spokesman Paul Browne said investigators were retracing garbage truck routes from the late 1970s and deciding whether to search landfills for the boy鈥檚 remains, a daunting prospect.
Crime scene investigators also arrived Friday morning at the building in Manhattan鈥檚 SoHo section that once held the bodega where Hernandez worked. Authorities were considering excavating the basement for evidence.
They were also looking into whether Hernandez has a history of mental illness or pedophilia.
Browne said letting Hernandez remain free until the investigation was complete was not an option: 鈥淭here was no way we could release the man who had just confessed to killing Etan Patz.鈥�
Legal experts said that even though police have a confession in hand, they are likely to work hard to make certain Hernandez isn鈥檛 delusional or simply making the story up.
鈥淭here鈥檚 always a concern whether or not someone is falsely confessing,鈥� said former prosecutor Paul DerOhannesian.
Fishbein asked reporters to be respectful of some of Hernandez鈥檚 relatives, including his wife and daughter.
鈥淚t鈥檚 a tough day. The family is very upset. Please give them some space,鈥� Fishbein said.
Etan鈥檚 father, Stanley Patz, avoided journalists gathered outside the family鈥檚 Manhattan apartment, the same one the family was living in when his son vanished.
Former Soho resident Roberto Monticello, a filmmaker who was a teenager when Patz disappeared, said he remembered Hernandez as civil but reserved and 鈥減ent-up.鈥�
鈥淵ou always got the sense that if you crossed him really bad, he would hurt you,鈥� Monticello said, although he added that he never saw him hit anyone.
Monticello said Hernandez was also one of the few teenagers in the neighborhood who didn鈥檛 join in the all-out search for Etan, which consumed SoHo and the city for months. 鈥淗e was always around, but he never helped. He never participated,鈥� Monticello said.
Hernandez, who moved to New Jersey shortly after Etan鈥檚 disappearance, suffered a back injury that has kept him on disability for years, according to police.
The Rev. George Bowen Jr., pastor at Hernandez鈥檚 church in Moorestown, New Jersey, said he attended services regularly. 鈥淚 would judge him to be shy and maybe timid. He never got involved in anything,鈥� Bowen said.
He said Hernandez鈥檚 wife, Rosemary, and daughter, Becky, a college student, came to see him Thursday morning after he was taken into police custody.
鈥淭hey were just crying their eyes out,鈥� Bowen said. 鈥淭hey were broken up. They were wrecked. It was horrible. They didn鈥檛 know what they were going to do.鈥�
Police Commissioner Raymond Kelly said Hernandez gave a detailed confession that led police to believe they had the right man. He also said Hernandez told a relative and others as far back as 1981 that he had 鈥渄one something bad鈥� and killed a child in New York.
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Associated Press reporters Julie Walker in New York, Patrick Walters in Moorestown, New Jersey, and Michael Virtanen in Albany, New York, contributed to this report.