Man on death row who slit prison supervisor's throat is executed by lethal injection
![Man on death row who slit prison supervisor's throat is executed by lethal injection](https://i2-prod.mirror.co.uk/incoming/article21078706.ece/ALTERNATES/s615/0_death.jpg)
Travis Runnels, 46, was convicted of killing the prison boot factory supervisor more than 10 years ago. He attacked him because he was upset he had to work as a janitor.