Provincial police have identified the victims of what they say was a triple homicide in a community near Oneida Nation of the Thames.
OPP say in a news release that officers responding to a call in Middlesex Centre on Sunday morning found three people dead.
They say post-mortem exams in Toronto confirmed that the deaths were homicides.
They have identified the victims as a 37-year-old woman and two men, who were 33 and 32, all from the Six Nations of the Grand River.
Police are asking anyone with information to come forward.
They are specifically hoping to hear from anyone who saw a grey, 2006 Chevrolet Silverado pickup truck in the area of Bodkin Road before 10 a.m. Sunday.

TransCanada’s $10-billion Keystone XL pipeline project has suffered another setback after a U.S. federal judge blocked its construction to allow more time to study the potential environmental impact.
U.S. District Judge Brian Morris’ order on Thursday came as the Calgary-based energy giant was preparing to build the first stages of the oil pipeline in northern Montana.
Indigenous and environmental groups had sued TransCanada and the U.S. Department of State after Nebraska authorities approved an alternative route to the one TransCanada had proposed through the state.
The proposed 1,897-kilometre pipeline would carry crude from Alberta to Nebraska

Indigenous people appearing in Nova Scotia courthouses now have the option to take legal affirmations with a sacred eagle feather.
The Nova Scotia Judiciary says each main courthouse in the province will have one eagle feather for courtroom use and a second for the front counter.
It says those taking legal affirmations may hold the eagle feather, or have it placed in front of them, while affirming to tell the truth much in the same way a Bible is available to swear an oath.
Individuals are also permitted to bring their own eagle feather with them to court.

Convicted child killer Terri-Lynne McClintic has been transfered out of an indigneous healing lodge and back into a medium security prison in Saskatchewan after outrage from the family of Tori Stafford.
McClintic and her boyfriend Micheal Rafferty kidnapped, sexually assaulted and killed eight year old Stafford in Woodstock in 2009.
Stafford’s parents were outraged and made national waves when they learned McClintic had been moved out of the province into a minimum security indigenous healing lodge.
The child’s father, Rodney Stafford, said new stringent measures were announced by Corrections Canada for inmate transfers to healing lodges after McClintic’s move shocked the country.