Adam Cavanagh's teen killer admits guilt to lesser charge 8 years later

The parents of a Calgary teenager who wasshot through basement window are unhappy the killer who was originally charged with first-degree murder has now pleaded guilty to a lesser offence.

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MM was 17-years-old when he killed Adam Cavanaugh,so he can't be identified.

Cavanagh was hosting a small party at his home in February2007 when he was killed.

"We're not pleased,"said the victim's father, Perry Cavanagh. "Certainlyfirst-degree would have been amuch more preferable outcome."

Two men were charged in relation to Cavanagh'sdeathfollowing a three-year investigation.Salim Kaddourafaced a manslaughter charge,andMM initially faced the murder charge.

Kaddoura,who fled the country after the killingand was only arrested upon his return to Canada in 2013,pleaded guilty to accessory after the fact to murder earlier this year.He received a four-year sentence for his involvement.

MM was originally found guilty of first-degree murder in 2012 but the Alberta Court of Appeal overturned that decision and ordered a new trial.

Crown also'not happy'

Todaythe prosecutor involved voiced his own displeasure with accepting the plea, but said he didn't believe he could prove beyond a reasonable doubt who pulled the trigger.

"The Crown is not happy with this outcome," said Andrew Barg.

Cavanagh's parents want his killer sentenced as an adult so that MM will have acriminal record.

"He's living an existence right now that is maybe not ideal with respect to freedom but he's enjoying three square meals a day, he has a bed to sleep inand warm shelter," said PerryCavanagh.

"If that's a little inconvenient for him, too bad."

A date for sentencing will be set on Feb. 5, 2016.