Search continues for missing CDC worker

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Friends and law enforcement gathered together on Saturday for another search for the missing Centers for Disease Control and Prevention researcher who disappeared three weeks ago.

People gathered off Brandywine Road near Mercer University, about 2 miles from the CDC campus where he worked, Saturday afternoon to look for 35-year-old Timothy Cunningham.

MORE: Police still following leads in 'unusual' disappearance of CDC employee

Dozens of volunteers and even canines broke up into teams to search the area for any trace of Cunningham.

Cunningham is an epidemiologist at the Atlanta-based CDC. Before his Feb. 12 disappearance, Cunningham had learned he was being passed up for a promotion and was about to find out why.

RELATED: $10K reward being offered in case of missing CDC employee

Police say that they found all of his belongings and even his dog left behind.

Officials said there's no evidence of foul play but that it can't be ruled out. There's a $10,000 reward for information in this case.

Anyone with information should contact Atlanta police or Crime Stoppers at 404-577-8477.

The Associated Press contributed to this report.