Fulton County chief medical examiner Dr. Jan Gorniak, tells reporters that a body found in Chattahoochee River, Tuesday has been identified as missing CDC employee Timothy Cunningham during a news conference Thursday, April 5, 2018, in Atlanta. Gorniak said the cause of death was drowning and she found no signs of foul play. (AP Photo/John Bazemore)

ATLANTA - An employee for the Centers for Disease Control and Prevention who was reported missing more than seven weeks ago was found drowned in a river not far from his house, with no sign of foul play, authorities said Thursday.

Timothy Cunningham's body was found Tuesday partially submerged in water and mud on the west bank of the Chattahoochee River in northwest Atlanta, fire-rescue department spokesman Sgt. Cortez Stafford said at a news conference. Stafford said rescue crews had to use boats and special equipment to reach Cunningham's body because it was in difficult terrain in a "remote area not easily accessible."

Fulton County Chief Medical Examiner Jan Gorniak determined the cause of death. "Since the investigation is ongoing, we do not have ... whether it was an accident, a suicide, or anything other than that" Cunningham drowned, Gorniak said.

Gorniak said the decomposing body was positively identified using dental records.

Fishermen first discovered Cunningham's body and called authorities, said Stafford, who noted the body was found in an area that authorities had searched in February without finding anything. The site where the body was found was not far from Cunningham's house, Maj. Michael O'Connor of the Atlanta Police Department's Major Crimes Section said. He did not elaborate.

Cunningham, 35, was an epidemiologist at the Atlanta-based federal agency. He disappeared Feb. 12. His family reported him missing on Feb. 16 after going to his home and finding his belongings and vehicle there.

Police previously had said they had no evidence of foul play but couldn't rule it out. The civilian group Crime Stoppers offered a reward of up to $15,000 for information pointing to any criminal activity.

CDC officials said previously that reports Cunningham had been passed over for a promotion were incorrect. In a statement, the CDC said Cunningham received an "exceptional proficiency promotion" July 1 to the position of commander, an early promotion reflecting his excellence as an employee.

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This story has been corrected to reflect that Cunningham's body was found more than seven weeks after he disappeared, not six, and that more than one fisherman found the body.

News from © The Associated Press, 2018