Two teenage boys pleaded guilty Wednesday to first-degree murder in the death of B.C. teen Kimberly Proctor, whose badly burned body was found on a hiking trail near her suburban Victoria home last March.

Both boys, aged 16 and 18, also pleaded guilty to indignity to human remains during an appearance in B.C. Supreme Court in Victoria.

The identities of both teens cannot be revealed according to stipulations in the Youth Criminal Justice Act. The 18-year-old was 17 at the time of the murder.

Crown prosecutor Peter Juk then read a chilling five-page agreed statement of facts into the court record, which set out how the boys planned and executed Proctor's death.

Court heard that the boys discussed, via numerous text messages and online chats, how they would lure Proctor to the 16-year-old's home, rape her and then kill her.

According to the agreed statement of facts, Proctor knew the boys through school and had communicated with both extensively via text message and online chats. While each one had expressed interest in her, she rebuffed both boys' advances.

The day before her murder, Proctor agreed to meet the boys under the pretence that they wanted to explain why they recently had been unkind to her.

On the morning of March 18 she met the boys at a bus stop, and the trio made their way to the 16-year-old's house. The boys then bound her ankles and wrists with duct tape, stuffed a sock in her mouth and sexually assaulted her for hours. A knife was used to mutilate her body.

An autopsy showed Proctor died of asphyxiation because of duct tape placed over her mouth.

After they killed Proctor, the boys put her body in a freezer in the garage. The next morning, they put her body into a duffle bag, boarded a public transit bus and travelled to the Galloping Goose trail in Colwood. There, they set Proctor's body on fire.

Proctor's body was found later that evening. It took three days to identify the remains.

After Proctor's body was found, dozens of officers were assigned to the case and on May 26, police executed a search warrant at a home near the trail. The next day police declined to make the findings of the search public, but did say they had identified suspects and determined that Proctor's murder "was not a random crime."

The two boys were arrested on June 18.

While an exact motive for the killing is unclear, the 16-year-old admitted to a friend in online chats that they had picked Proctor because she was an easy target. He also said he had dreamed of killing someone since he was young.

The Crown is asking that both boys receive adult sentences, which means they would get mandatory life sentences without the possibility of parole for 10 years. They will next appear in court on March 28.

With a report from CTV B.C.'s Lisa Rossington