article_snippet.sent: David Marshall must serve a minimum of 20 years behind bars for the murder of Eni Mevish.
article_snippet.sent: Marshall was on licence for sexually assaulting a 14-year-old girl when Marshall killed Eni, a 20-year-old student .
article_snippet.sent: Appearing via video link in Stafford Crown Court Marshall was told Stafford Crown Court Marshall must serve a minimum term of 20 years and six months for a 14-year-old girl killing.
article_snippet.sent: The court heard how at the time of the attack Marshall was on licence for sexually assaulting a 14-year-old girl. '
article_snippet.sent: but us are glad Marshall is now paying for Marshall actions.'
highlights_snippet.sent: Marshall, who previously abused a 14-year-old girl, admitted murder .
  
highlights_snippet.sent: He must spend at least 20 years behind bars before applying for parole .