A father has been jailed for five years for killing his month-old baby daughter after becoming annoyed with her crying while he was playing a computer game.
Christopher Sellman slammed baby Tiffany down on to a changing mat within an hour of being left to look after her on his own for the first time, Inner London Crown Court was told.
The 24-year-old, previously of Tunbridge Wells, was convicted of manslaughter at Maidstone Crown Court but cleared of murder in March after a six-week trial.
Her death in November 2008 could have been prevented if information had been shared about the risk Sellman posed to children, a serious case review by Kent Safeguarding Children Board found.
The baby girl, who was only 25 days old and already had a fractured skull from a difficult birth, died after suffering heart failure and bleeding to her brain.
Trial judge Mr Justice Bean said the baby girl turned blue and, despite "desperate and frantic" attempts by the defendant and emergency services to save her life, later died.
The judge said: "You intended her no harm but you treated her roughly and unlawfully killed her," adding that Tiffany was "more than usually vulnerable because of a skull fracture she suffered at birth".
The judge added that he found Sellman was a devoted father who was thrilled to have a daughter and showed her no animosity before this incident.
Sellman, 24, had a conviction for assault, and hazard warning flags were placed against his name by authorities after he was cautioned for child neglect before he was found guilty of killing Tiffany.
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In mitigation, Sarah Forshaw QC told the court that Sellman suffered "a momentary lapse in care which occurred, in any view, in an instant" and said he was "treated as something of a pariah" and assaulted twice during his year in prison on remand.
