RCMP have laid first-degree murder charges against a Manitoba man after two people were found dead in an Ethelbert home in January.

Elsie Steppa, 81, and Clarence Thornton, 50, were found dead on Jan. 19.

Officers found Steppa dead inside the home, and Thornton’s body outside the home.

After an autopsy concluded the pair died from blunt force trauma, RCMP said they deemed the deaths homicides.

RCMP said they believed the pair and a suspect became involved in a dispute, which lead to the homicide. 

After a three-month long investigation that relied on the forensic identification unit, RCMP identified a suspect.

"We went from essentially a complete who-done-it, to an arrest and charges with first-degree murder in a period of about three months," said Cpl. Miles Hiebert.

"In terms of an investigation like this [that] is really quick."

Now, 20-year-old Payton Saari has been charged with two counts of first-degree murder. Saari was known to the pair, according to RCMP.

Residents in Ethelbert, a community of about 300 people, told CBC News the elderly woman lived in the home with her middle-aged nephew — known in town as Harry Jones. RCMP confirmed Thornton also went by the name Jones.

Saari is expected to appear in a Dauphin court on May 6.