The doctor being sued by Aaron Carter’s ex-fiancée Melanie Martin and his son Princeton for wrongful death accused them of refusing to turn over information in the bombshell court battle. According to court documents obtained by RadarOnline.com, Dr. John Faber, who treated Carter from 2020 to 2022, claimed his legal team is struggling to prepare for trial due to Martin and her son of not answering simple questions. Faber said he sent over a list of questions for Carter’s family to answer but said the responses have been “evasive” and “incomplete.” Specifically, the doctor wanted the plaintiffs…