KANNAPOLIS, NC (WBTV) - The biological father of missing teen Erica Parsons has died, according to Kannapolis police.
Last Thursday, Billy Dean Goodman's body was reportedly found in a Kannapolis home. Police said Goodman had a number of health problems, and that they do not suspect foul play.
Still, officials don't know the exact cause of death. Goodman's body has been sent to the medical examiner's office for further investigation.
Goodman's biological daughter, Erica Parsons, was reported missing in late July of 2013 by her adoptive brother, Jamie Parsons. However, Erica had not actually been seen for more than a year before the report was filed.
Despite an extensive investigation by the Rowan County Sheriff's Office, the SBI, and the FBI, no trace of Erica Parsons, dead or alive, has ever been found. Investigators have collected evidence from the Parsons' former home on Miller Chapel Road, as well as property owned by other family members.
Goodman was never a suspect in the disappearance of his daughter.
Erica's adoptive parents, Casey and Sandy Parsons, were convicted of defrauding the government by continuing to accept federal adoption assistance money long after Erica was gone from the family home.
In March, they were sentenced in federal court to a combined total of 18 years in prison.
Nationally, Nancy Grace and the Dr. Phil Show even took an interest in the case. Sandy and Casey appeared on the Dr. Phil show, but abruptly left after Sandy appeared to fail a lie detector test given by someone associated with the show.
Casey refused to take the test.
Casey and Sandy Parsons maintain that they delivered Erica to a grandmother named "Nan" who lived in the Asheville area.
Local law enforcement and the FBI have repeatedly said that Casey and Sandy Parsons are lying about what happened to Erica and that Nan does not exist.