A federal judge has ruled that a former bus driver accused of stalking a child on his Greenland route will remain held without bail.Michael Chick, 39, of Eliot, Maine, is accused of stalking and threatening an 8-year-old boy who used to ride on his bus route in Greenland. Cameras were not allowed inside federal court Thursday as Chick appeared for two hearings. He waived his right to a preliminary hearing, proceeding directly to the bail hearing.The U.S. Attorney's Office said Chick admitted to putting GPS tracking devices on the boy's parents' vehicle. While executing a search warrant at Chick's home, investigators said they found photos and videos of the family while they were out in public, as well as a bag of boys' and girls' underwear. It's unclear who the clothing belongs to. Prosecutors said the evidence raised the level of concern for the safety of the boy. "The evidence gathered so far does indicate a sexual interest in minors," said Assistant U.S. Attorney Kasey Weiland. "The threatening communications that were made in this case to the victim, in particular, are a concern."Prosecutors also read a statement on behalf of the boy's parents, who said they are traumatized by the ordeal and called Chick a predator of the worst kind. "This has been a very difficult and trying time for them," Weiland said.Defense attorneys for Chick argued he does not pose a danger, considering there is no evidence that he physically touched the victim. Chick's attorneys also pointed to the fact that he has no criminal history. The judge ruled that Chick is a danger not only to the boy, but the community, as well.The U.S. Attorney's Office said its investigation is still active. Anyone with information can call a dedicated hotline at 603-722-1751.