A grisly discovery in 1965 remains one of Houston’s strangest unsolved murders. Resources: Why The Ice Box Murders Remain Terrifying After 50 Years (allthatsinteresting.com) The Chilling Tale of the Icebox Murders | Houstonia Magazine The Ice Box Murders.com The Ice Box Murders by Hugh and Martha Gardenier Ice Box Murders | True Crime Tales (truecrimetalestx.com)