In an attempt to prove his innocence, a Tennessee prisoner on death row inadvertently provided more evidence that he committed the crime.Marlon Kiser was sentenced to death row for killing Hamilton County Deputy Donald Bond in 2003, Times Free Press reports.Yet the man has repeatedly denied the charges, claiming his former roommate – James Michael Chattin – framed him,

Kiser added that after he found out about Chattin’s drug habits, he asked him to vacate the premise.That was the straw that broke the camel’s back, he said.”In Mike Chattin’s perry old mind, he could not allow me to leave because I knew entirely too many secrets about him,” Kiser wrote, adding that Chattin had also previously asked him to kill the police officer.Kiser also started a petition to get him off the death penalty, which has received over 470 signatures. The petition’s stated goal is 1k signatures….