(CNN) — Authorities believe they have found the bodies of two Canadian men suspected of killing three people last month, the Royal Canadian Mounted Police said Wednesday.

The bodies were found on the bank of the Nelson River after a weekslong manhunt focused in Manitoba, said Assistant Commissioner Jane MacLatchy, commanding officer of the Manitoba RCMP.

"I'm confident that it is them," she said, adding that an autopsy will confirm the identities of the deceased.