Woman convicted in best friend’s murder after posting this selfie to social media

Screen Shot 2018-01-17 at 4.58.59 PM A woman has been sentenced to seven years in prison after police say a Facebook selfie became a key piece of evidence in the murder trial of her best friend. CBC reports 21-year-old Cheyenne Rose Antoine pleaded guilty to killing 18-year-old Brittney Gargol in 2015.