Julian Edelman made another nice catch when he became alarmed about a kid threatening to shoot up his school.The Patriot receiver, who was out all last year with a busted knee, was alerted to the troubling comment on his Instagram account last month, the New York Times reported.Edelman alerted his assistant here in Boston and she then found the post and called police.What she found was a line that stated: "I’m going to shoot my school up watch the news.”