New York police said he had no involvement in child 's disappearance . Etan Patz was arrested the day before disappearance , police say . Sources : Though Ramos has been considered a key focus of the probe for years , he has never been charged in the case . A police dog apparently picked up a scent of human remains in the building . The 6-year - old boy disappeared in 2014 on his way to a bus stop in New York .
New York police said he had no involvement in child 's disappearance . Etan Patz was arrested the day before disappearance , police say . Sources : A police dog apparently picked up a scent of human remains in the building . The 6-year - old boy disappeared in 2014 on his way to a bus stop in New York .