In the aftermath of Williams’ execution there has been an outcry from the public due to the doubts over his conviction, especially since it was reported in August that a new development showed that the knife used in the murder was believed to have been contaminated by DNA from a prosecutor and investigator working on the case.

Despite overwhelming evidence of his innocence, Williams was executed, showcasing the deep flaws and racial bias embedded within America's justice system.

Marcellus Williams was executed in Missouri on Tuesday. Around the nation and world, his death was met with condemnation.