Reward rises in CDC worker's mysterious disappearance

Mystery of missing CDC worker

ATLANTA -- More than three weeks have passed since a scientist at the Centers for Disease Control and Prevention mysteriously disappeared. Now, a reward for information is up to $15,000. 

Atlanta police announced the new reward Tuesday as they kept searching for 35-year-old Timothy Cunningham. Crime Stoppers said the money is for information "that points to criminal activity in the disappearance."

Police said there's no evidence of foul play, but it can't be ruled out, and that anyone with information should contact Atlanta police or Crime Stoppers.

Cunningham is an epidemiologist at the Atlanta-based federal agency. Police said Cunningham reported to work Feb. 12 but told colleagues he didn't feel well and left early.

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Timothy Cunningham

"He tells the supervisor that he's not feeling particularly well," Atlanta police Maj. Michael O'Connor said. "He had actually called in sick the two previous workdays."

Police said Cunningham called his mother, who missed the call, and he didn't leave a voicemail, WGCL-TV reports.

Police said late last month that Cunningham had been disappointed about being passed over for a promotion. CBS affiliate WGCL-TV reported O'Connor said Cunningham told co-workers he was expecting the promotion.

"I think that it was pretty consistent that he was definitely upset," O'Connor said. "He told several co-workers that he was and that he was expecting this promotion."

Cunningham's next-door neighbor, Viviana Tory, said Cunningham said something odd to her husband the day he went missing, CBS News correspondent Omar Villafranca reported.

"He told my husband to tell his wife -- me -- to erase his cellphone number from my cellphone," Tory said.

Cunningham's parents reported him missing on Feb. 16 after they went to his home and found his belongings and vehicle there.