They were also charged with the murder of university lecturer Leonard Dyck, 64.
"We are speechless", he said in a text message, declining further comment. A similar search was done around Gillam and police remain in the area.
"(Friday), we had 6 of our search team officers in the area to complete a ground search around the location where the bodies were located and where the burnt vehicle was dumped", said Manitoba RCMP spokesperson Sgt. Paul Manaigre in an email on Saturday.
The heartbreaking saga began on July 15 in the western province of British Columbia when the bodies of Mr Fowler, 23, from Sydney, and Ms Deese, 24, from North Carolina were found in a ditch beside their broken down blue 1986 Chevrolet van.
"To the families of everyone affected by the series of events over the last few weeks, I know it has been so very hard and I hope today's announcement can now begin to bring some closure", MacLatchy said.
Late last week, police had found items linked to the suspects on the shores of the Nelson River.
At its peak, the investigation included members of the Canadian military, as well as drones, dogs, emergency crews and RCMP major crime units.
A police helicopter initially spotted a damaged boat along the Nelson River last week and a follow-up search in the area uncovered the items directly linked to the two in what MacLatchy described as "very tough terrain".
"Investigators are now assessing all items located in Manitoba, along with the previous findings related to the three northern B.C. homicide investigations, in order to gain more clarity into what happened to Leonard Dyck, Lucas Fowler and Chynna Deese", the police statement said.
'It was like two butterflies that found each other and they were going to be forever'.
British Columbia RCMP Assistant Commissioner Kevin Hackett said it would be "extremely difficult" to determine a motive for the three murders.
"We are not cut from the same cloth, as you play the victim and don't acknowledge your hand in your child's upbringing and ultimate demise", wrote Kennedy Deese, the sister of Chynna Deese.
"Our current belief [is that there] was nothing that links our victims together".
Bryer Schmegelsky and Kam McLeod were the subjects of one of Canada's biggest ever manhunts. The longer the time frame, the greater the likelihood that the bodies may have come into contact with wildlife, Fowler said.
"To the families of everyone affected by the series of events over the last few weeks, I know it has been so very hard and I hope today's announcement can begin to bring some closure", she said.
60 Minutes reporter Sarah Abo has spent the last two weeks with Alan Schmegelsky as the distressed father grappled with questions about his son's last days alive.
The couple had met at a hostel in Croatia and their romance blossomed as they adventured across the U.S., Mexico, Peru and elsewhere, the woman's older brother said.
That was about five miles from where their burned vehicle was located last month.
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