Pedro Hernandez, a former Manhattan stock clerk who once lived in the same neighborhood as Etan Patz, was arrested Thursday in connection with his murder, more than three decades after the 6-year-old
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CNN  -- Pedro Hernandez, a former Manhattan stock clerk who once lived in  the same neighborhood as Etan Patz, was arrested Thursday in connection  with his murder, more than three decades after the 6-year-old went  missing. 
A then-19-year-old Hernandez allegedly lured  Patz to the store with the promise of a soda, choked him in the basement  and then disposed of the body using a plastic bag, Police Commissioner  Ray Kelly told reporters.
"Detectives believe in the credibility of the  statement," Kelly said, referring to the man's earlier confession.  Authorities were alerted of the suspect by a tip.
Hernandez, who had since been working in  construction until an injury sidelined him, is expected to be charged  with second degree murder, Kelly said.
He has no prior criminal record and is the father of a teenage girl, he said.
The boy's disappearance exactly 33 years ago  on Friday helped spawn a national movement to raise awareness of missing  children, which involved a then-novel approach of splashing an image of  the child's face across thousands of milk cartons.
In her book detailing the investigation,  author Lisa Cohen describes the plan Etan had the day he went missing.  Just prior to his disappearance, according to the book, Patz told his  parents that he planned to stop at a store to buy a soda with a dollar  that he'd earned by helping a neighborhood carpenter.
The carpenter, Othniel Miller, 75, had met  Etan the day before and was recently the focus of media attention when  investigators announced they were again questioning him.
"Mr. Miller is relieved by these  developments, as he was not involved in any way with Etan Patz's  disappearance," said Miller's attorney Michael C. Farkas. "At the same  time, Mr. Miller is very pleased that those responsible for this heinous  crime may be brought to justice, and the Patz family may finally have  the closure they deserve."
But a separate law enforcement source said  Thursday that Hernandez's claims were being treated with "a healthy dose  of skepticism." The New Jersey resident was picked up Wednesday in his  home state, two law enforcement sources added.
Hernandez had once lived and worked in the same Manhattan neighborhood where the Patz family lives.
Hernandez's name "came up more than once  while interviewing others recently," said a law enforcement source, who  added that authorities had been familiar with him years ago.
Renewed attention over the Patz case sprung  up last month when investigators scoured Miller's SoHo basement, where  Etan had been seen a day before he went missing.
But their search produced no apparent clues.
The tipster contacted authorities months ago  after news coverage of their renewed search. That contact, at least in  part, prompted investigators to question Hernandez.
A spokeswoman for the Manhattan district  attorney's office, which reopened the case in 2010, declined to comment  on the recent development.
New York Mayor Michael Bloomberg added that there's "still a lot more investigating to do."
"To his credit, District Attorney Cy Vance  reopened (the investigation) in hopes not only of bringing justice, but  also offering some closure to Etan's parents," the mayor told reporters  Thursday. "And as a father, I just can not imagine what they've gone  through."
Etan went missing on May 25, 1979, a block  from his home in the Manhattan neighborhood of SoHo. It was the first  time that he had walked to his school bus stop by himself.
His mother, Julie, learned after her son  failed to return home that he hadn't been in classes that day. After  calling the school and Etan's friends, she then called police.
The boy was officially declared dead in 2001  as part of a lawsuit filed by his family against a drifter, Jose Antonio  Ramos, a convicted child molester acquainted with Etan's babysitter.
A judge found Ramos responsible for the boy's  death and ordered him to pay the family $2 million -- money the Patz  family has never received.
Though Ramos was considered a key focus of  the investigation for years, he has never been charged in the case. He  is serving a 20-year prison sentence in Pennsylvania for molesting  another boy and is set to be released this year.
A source has previously said investigators wanted to expand the pool of possible suspects beyond Ramos.
Parents Stan and Julie Patz still live in their SoHo home and have not commented on the new developments.
Cohen, author of "After Etan: The Missing  Child Case That Held America Captive," told CNN earlier that "the  family's been living through this for 33 years. They've had many moments  like this. They've learned how to deal with it."
Just weeks after Etan disappeared, an  attacker abducted the first of more than 20 children to be kidnapped and  killed in Atlanta. A suspect in that case was arrested two years later.
In 1984, Congress passed the Missing  Children's Assistance Act, which led to the creation of the National  Center for Missing & Exploited Children.
President Ronald Reagan named May 25, the day Etan went missing, as National Missing Children's Day.