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EDMONTON — Edmonton gore website owner Mark Marek pleaded guilty Monday in the posting of an infamous video of Luka Magnotta dismembering Chinese university student Jun Lin in Montreal in 2012.

Marek’s trial was to start on Monday, however the 41-year-old changed his plea when court began and received a six-month conditional sentence.

READ MORE: Edmonton gore website owner pleads guilty, is sentenced in posting of Magnotta video

Magnotta is serving a life sentence for murder. Here is a timeline of events:

2012

May 24: Lin is last seen entering Magnotta’s apartment building on surveillance video.

May 25-26: Magnotta is seen coming and going from the apartment, emptying its contents.

May 26: Montana lawyer Roger Renville sees a bizarre Internet video depicting a man being stabbed and dismembered.

May 26: Magnotta flies from Montreal to Paris.

May 27: Renville alerts U.S. and Canadian police to the video but they dismiss it as fake.

May 29: Montreal police are called to an apartment building after a janitor finds a torso in a suitcase left in the trash. The same day, a foot is found in a package mailed to the Conservative party in Ottawa. A hand is found in a Canada Post warehouse in a package destined for the Liberal party. Lin is reported missing by friends.

May 30: Montreal police name Magnotta as a prime suspect and issue a warrant for his arrest. Interpol adds him to its wanted list.

May 31: Magnotta boards a bus from Paris to Berlin.

June 1: Montreal police identify the torso victim as Lin, a 33-year-old Chinese computer science student at Concordia University.

June 4: Berlin police act on a tip and arrest Magnotta in an Internet cafe.

June 5: Two schools in Vancouver receive packages containing Lin’s other hand and foot.

June 11: Magnotta is transferred to a Berlin prison hospital, where a psychiatrist believes Magnotta is in a psychotic state.

June 18: Magnotta is extradited and arrives in Montreal on a Canadian military plane.

READ MORE: Ottawa spent $376K to repatriate Luka Magnotta in ‘national interest’

July 1: A tip leads police to a Montreal park, where they discover Lin’s skull.

WATCH: Video sequences from cameras at Magnotta’s apartment building have been released to the jury, and as Domenic Fazioli reports, they suggest a haunting timeline of victim Jun Lin’s fate.

2013

July 17: Edmonton police charge Marek with publishing obscene material after he travels back to Canada from a trip overseas. They say they didn’t previously have the evidence they needed to arrest him.

WATCH: Edmonton police have charged a local website operator with Corrupting Morals. As Laurel Clark reports, they believe he posted a video sent to him by Luka Magnotta depicting a murder.

2014

Sept. 29: Magnotta’s trial begins. A jury hears that he admits to the crime but argues that he was not criminally responsible due to a mental illness.

WATCH: ‘He is the worst kind of beast’: Jun Lin’s father speaks out after Magnotta’s murder conviction

Dec. 23: On their eighth day of deliberations, jurors find Magnotta guilty of all five charges against him — first-degree murder, committing an indignity to a body, publishing obscene material, mailing obscene and indecent material and harassment of Prime Minister Stephen Harper and other members of Parliament. He is sentenced to life in prison with no chance of parole for 25 years.

WATCH: Coverage and reaction to Luka Magnotta being found guilty of first-degree murder

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BELOW: interactive graphic timeline of the Luka Magnotta case