Who Killed Cooper Dunn?

{"ciphertext":"lULfnnl4uwObuLAhxaoiw0P\/ia2mPdYtFBIXFW+Ny0AdmdHdi9tKFQlQrbQ1b109I3HcTf9tUoaiWkJZHeQ\/1xPRmqzsGFVCu70Z2YI7CDw=","iv":"59a4486ef19717a8828aa7ff9899704c","salt":"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"}