NEW YORK (AP) — Investigators ripped up the basement floor of a Manhattan building Friday in a hunt for the remains of Etan Patz, a 6-year-old boy who disappeared on his way to school in 1979.

Utility workers with jackhammers and saws helped chip away an area around aging pipes, then law enforcers wearing workmen’s gloves carried out the basketball-size chunks of rubble and carefully placed them in bins. The material will be sifted and then taken elsewhere for testing.

The space being excavated was about a block from the bus stop where Etan was headed when he vanished. It is one of the few secluded places, easily accessible from the street, that sat along his two-block walk to the bus from his home.

At the time, part of the basement was being used as a workshop by Othniel Miller, a neighborhood handyman who had been friendly with the family.

Police and FBI officials haven’t named a suspect in the case.

Miller, now 75 and living in Brooklyn, hasn’t spoken publicly about the investigation. His lawyer, Michael Farkas, told journalists gathered outside Miller’s home his client was cooperating with investigators and had "no involvement in this tragic event."

Etan’s disappearance drew national attention, and was one of a number of shocking missing-child cases in the late 1970s and early 1980s that made parents wary about sending their children out alone.

The FBI and New York City police have spent 33 years trying to find out what happened to Etan, without success.

Police Commissioner Raymond Kelly said Friday investigators made the decision to dig after an FBI dog detected the scent of human remains in the basement space.

"The investigation 33 years ago actually led them to that location. They spoke to people in that building. It’s along the route that Etan took to leave his house and go into the bus, so it’s a logical place to look," Kelly said.

FBI spokesman Tim Flannelly said it was "one lead of many."

"We’re out here 33 years after his disappearance, and we’re not going to stop," he said.

Miller has been interviewed by investigators several times over the years. He was questioned again recently, and as a result of those discussions, they decided to refocus their attention on the building, according to a law enforcement official. The official spoke to the AP on condition of anonymity because the investigation is ongoing.

Etan’s parents, Stanley and Julie Patz, still live in the apartment they had when he disappeared.

A sign taped near their door buzzer Friday read: "To the hardworking and patient media people, the answer to all your questions at this time is no comment. Please stop ringing our bell and calling our phone for interviews."

The family, and some investigators who had previously worked on the case, had long believed that the person responsible for the boy’s death was Jose Ramos, an incarcerated pedophile who knew a woman who briefly worked as one of Etan’s caretakers.

Ramos, now serving the final months of a prison sentence for abusing an 8-year-old boy in Pennsylvania, has denied killing the child. His pending freedom is one of the factors that caused investigators to renew their effort to solve the case.

The Patz family sued Ramos in civil court, and won a judgment against him in 2004, largely because he declined to participate in the litigation.


Associated Press writers David B. Caruso, Samantha Gross, Tom Hays and Cristian Salazar contributed to this report.