One of two convicted killers who broke out of a New York state prison wrote a letter to his daughter prior to his escape the Buffalo news reports Richard Matt wrote that he always promised his daughter he would see her on the outside. the envelope was postmarked before the June sixth escape, but the daughter received it three days later. the newspaper says there's no indication Matt's daughter knew of the escape ahead of time. she cooperated with investigators while Matt was on the loose. Matt was shot and killed by police, about three weeks after his escape.