Record Phone CallState witnesses said Tuesday that Powers placed a telephone call to Miami from Houston Tex , the day before the slaying, Impatiently left his business firm, rushed aboard a flight to the Florida city and ended up rear Mosslers’ Key Biscayne apartment with an empty soda bottle — a possible death weaponComplicating the case against Mrs Mossier and her nephew was an unsummoned witness, potentially reluctant to serve the state He Is William Measa-mer, of Sanford, N C , who said he became Mrs Mossler’s lover after her nephew was jailed on a murder charge In an affidavit submitted In Judge George Schulz’ courtroom Tuesday in the absence of the jury, Measamer was quoted as saying that during a sexual Interlude in September 1964 Mrs Mossier remarked that it' wasn t fair for Mel and she hated to think of him being in jail ” Measamer in his affidavit said Mrs Mossier asked him to tel! a Miami grand jury that her husband, less than three months ( dead, was a homosexual Thei defense has contended that Mos sler could have been slam bv a fellow member in an under world of sexual perversion Was Not Summoned However, Measamer said the grand jury failed to call him He said that to his knowledge Mossier was not homosexual The state asked that Measamer be called as a witness of the court Byron T Ransdell, a telephone company manager in Texas, testified Tuesday that bis office recorded a call at 11 16 am June 29, 1964 — the day before the slaying — from Powers’ trailer sales firm near Houston It was made to Miami but the witness did not know who was calling whom Another state witness Paul O’ Neil a mechanic at the firm said that Powers was anxious to get away from the trailer firm that day because he had to go on a trip ’At 2 10 pm June 29, Mary Alice Demick, a National Air Lines ticket agent, said that Powers appeared at the Houston airport'tp rushed up to the ticket office breathless and said 'I have to get on this flight,’ ’’ she recounted One of the flight stewaidess-at ivinearKey*¥**¥ {*¥*** K ¥¥¥Rt493L¥+*V*****¥%¥¥