![Gun dealer Mel Bernstein holds an M-60 machine gun in his gun shop outside Colorado Springs April 27. Bernstein alerted federal authorities that school shooting suspects Dylan Klebold and Eric Harris, along Gun dealer Mel Bernstein holds an M-60 machine gun in his gun shop outside Colorado Springs April 27. Bernstein alerted federal authorities that school shooting suspects Dylan Klebold and Eric Harris, along](https://c8.alamy.com/compes/2d5ddby/gun-dealer-mel-bernstein-holds-an-m-60-machine-gun-in-his-gun-shop-outside-colorado-springs-april-27-bernstein-alerted-federal-authorities-that-school-shooting-suspects-dylan-klebold-and-eric-harris-along-with-two-other-people-dressed-in-black-trench-coats-attempted-to-purchase-a-machine-gun-several-weeks-before-the-april-20-shooting-rampage-at-columbine-high-school-2d5ddby.jpg)
Gun dealer Mel Bernstein holds an M-60 machine gun in his gun shop outside Colorado Springs April 27. Bernstein alerted federal authorities that school shooting suspects Dylan Klebold and Eric Harris, along
![Two teenagers 'dressed up like Columbine killers and threatened other students' - World News - Mirror Online Two teenagers 'dressed up like Columbine killers and threatened other students' - World News - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article6781348.ece/ALTERNATES/s615b/Two-students-dress-like-Columbine-killers.jpg)
Two teenagers 'dressed up like Columbine killers and threatened other students' - World News - Mirror Online
![Dylan's two coats. #1 is an oilskin duster, the same as Eric's and #2 was a floor length leather trench coat that his parents got him as a gift towards the end. Dylan's two coats. #1 is an oilskin duster, the same as Eric's and #2 was a floor length leather trench coat that his parents got him as a gift towards the end.](https://preview.redd.it/m4xx3fje02n51.png?width=640&crop=smart&auto=webp&s=00328d0bbd4fc6f4b1d3b7fbc52291dc4d478f0d)
Dylan's two coats. #1 is an oilskin duster, the same as Eric's and #2 was a floor length leather trench coat that his parents got him as a gift towards the end.
![Serial Killers on Twitter: "A month before the shooting, Dylan wrote an english essay about a man killing people. His teacher was worried and told his parents." / Twitter Serial Killers on Twitter: "A month before the shooting, Dylan wrote an english essay about a man killing people. His teacher was worried and told his parents." / Twitter](https://pbs.twimg.com/tweet_video_thumb/CcVHgMQXEAUpoOu.jpg)