Prosecutors show jurors how Omar Mateen entered the Pulse nightclub
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Omar Mir Seddique, also known as Omar Mateen, was an American mass murderer and domestic terrorist who killed 49 people and wounded 53 others in a mass shooting at the Pulse gay nightclub in Orlando, Florida, on June 12, 2016, before he was killed in a shootout with the local police. It was the deadliest shooting by a single shooter in United States history until the Las Vegas Strip shooting on October 1, 2017.