The Halifax mass shooting plot was an event that chiefly occurred between February 12, 2015, to February 14, 2015. Police were alerted to three people, identified as Lindsay Souvannarath, Randall Shepherd, and James Gamble, who were reportedly conspiring to commit a mass killing at the Halifax Shopping Centre. Souvannarath and Shepherd were arrested and convicted of conspiracy to commit murder, while Gamble was found dead of a self-inflicted gunshot wound soon after finding out of the impending police investigation.