Justin Bourque admits he targeted police officers on the evening in June that he fatally shot three Mounties and injured two others in Moncton, N.B., using a semi-automatic weapon.
An agreed statement of facts filed with the Court of Queen's Bench says Bourque used a Poly Technologies Model 305, 308-calibre Winchester semi-automatic rifle in the shootings that happened between 7:18 p.m. and 8:13 p.m. on June 4.
Bourque pleaded guilty Friday in the Court of Queen's Bench in Moncton to three charges of first-degree murder and two counts of attempted murder.
The 24-year-old returns to court Oct. 27 when victim impact statements and pre-sentencing documents will be filed with the court.
The document obtained by The Canadian Press says Bourque understands that he and the prosecutor may introduce further facts at the sentencing hearing.
Justice David Smith told the court Friday that the Crown has given notice it will seek three consecutive life sentences on the first-degree murder charges, which means Bourque would not be eligible for parole for 75 years.