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Emergency crews respond to Marshall County High School after a fatal school shooting Tuesday, Jan. 23, 2018, in Benton, Ky. A... Emergency crews respond to Marshall County High School after a fatal school shooting Tuesday, Jan. 23, 2018, in Benton, Ky. A... Emergency crews respond to Marshall County High School after a fatal school shooting Tuesday, Jan. 23, 2018, in Benton, Ky. A... Emergency crews respond to Marshall County High School after a fatal school shooting Tuesday, Jan. 23, 2018, in Benton, Ky. A... Authorities investigate the scene of fatal school shooting Tuesday, Jan 23, 2018, in Benton, Ky. Kentucky State Police said t... Police escort a person, second from right, out of the Marshall County High School after shooting there, Tuesday, Jan 23, 2018...