COPS used this selfie to help convict a killer who strangled her best friend – because it shows the belt she used to throttle her.
Cheyenne Rose Antoine, 21, was this week jailed for seven years after 18-year-old Brittney Gargol's body was found dumped at the side of a road in Saskatchewan, Canada.
Police say a picture of the pair posted hours before the teenager's death became a key piece of evidence after it showed Antoine wearing a belt officers believed to be the murder weapon, according to CBC News.
Antoine says she had been out drinking with Brittney when they got into an argument but told cops she doesn't remember strangling her on that night in March 2015.
But officers noticed Antoine wearing the belt in the last picture her pal had shared online and it was eventually found near Brittney's body.
Police were able to piece together a timeline of the pair's movements from pictures posted on their social media sites.
During the trial, crown prosecutor Robin Ritter told the court it was "quite remarkable how the police developed this information".
He also told how Antoine attempted to throw officers off the scent by writing on Facebook hours after Brittney's death asking where she was.
She also misled cops by claiming to have gone home with an unknown man that night but a friend tipped off police after Antoine apparently made a drunken confession.
The complex investigation took almost two years and Antoine was initially charged with second-degree murder.
Antoine later pleaded guilty to manslaughter but said she didn't remember killing her friend and was sentenced to seven years in prison on Monday.
In a statement, issued through her lawyer Lisa Watson, Antoine said: "I will never forgive myself. Nothing I say or do will ever bring her back.
"I am very, very sorry…It shouldn't have ever happened."
Outside court, Gargol’s uncle, Al Gargol, called her "a wonderful young person that didn’t deserve this and we truly miss her every day",
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