Tried, convicted and executed: but was Kosoul Chanthakoummane guilty?  The victim, Sarah Walker This is a look back at some of my previous work. I published this comment piece, with full references to source material, about the 2006 murder of Sarah Walker by Kosoul Chanthakoummane and the subsequent appeals and innocence claims prior to his execution on August 17, 2022.  The latest relatively high-profile claim of innocence from a convicted killer on Death Row was that of Kosoul Chanthakoummane, convicted of murdering Sarah Walker in 2006. While Chanthakoummane always denied the crime, DNA evidence places him at the scene, bleeding, with his blood under the victim’s fingernails. Chanthakoummane was executed…