In 1932, Lancaster had been in
Mexico looking for work. At the same time, Haden Clarke, a male American writer, had been living in Lancaster and Miller's
Florida home in order to assist Miller's writing of her autobiography. Clarke and Miller had developed a relationship in Lancaster's absence, and Clarke convinced Miller to leave Lancaster and marry him instead. Upon receipt of this news, Lancaster returned promptly to Florida. On 20 April, Clarke was killed by a gunshot wound to the head. provided easy-to-understand
testimony in Lancaster's favour. Additionally, even though Lancaster and Miller had dissolved their romance and partnership, Miller spoke in Lancaster's defence and the trial judge gave a summing up in his favour. Lancaster was
acquitted of murder after 5 hours of deliberation. It is regarded that although the evidence was in doubt, a main factor in Lancaster's acquittal was his calm, straightforward, gentlemanly demeanor in the courtroom; and the portrayal of the victim as depressive, drug-addicted and suicidal.
Public opinion may also have played its part in influencing the jury; indeed, at one point the behaviour of those in gallery became so unruly (cheering for Lancaster), that Judge Atkinson interrupted with a firm, "This is not a vaudeville show!" ==Final flight==