John Lennon's killer has been denied parole for the seventh time.<br/> <br />Mark David Chapman shot and killed the former Beatle in 1980 and is currently serving a sentence of 20 years to life at the Attica Correctional Facility outside Buffalo in New York State.<br/> <br />In a written statement the state's Department of Corrections acknowledged Chapman's "good conduct, program achievements and educational accomplishments".<br/> <br />But the three-member parole board argued that this wasn't enough to justify the release for the 57-year-old.<br/> <br />It said this "would greatly undermine respect for the law and tend to trivialize the tragic loss of life" Chapman caused through a "heinous, unprovoked, violent, cold and calculated crime."<br/> <br />Chapman was last denied parole in 2010.<br/> <br />He shot Lennon four times in the back outside the musician's New York City apartment building on December 8, 1980.<br/> <br />A mosaic nearby in Central Park has become a pilgrimage site for fans from all over the world to commemorate the singer.
