A mother is demanding accountability after her son escaped from the Okfuskee County Jail, unnoticed for five days, and then was shot and killed by state troopers.Angela Mueller's son, Joshua Butler, fled from the Okfuskee County Jail and later fled a traffic stop, leading to his shooting death.WATCH: 'Unacceptable': Escaped inmate Joshua Butler's mother demands answers: 'Unacceptable': Escaped inmate Joshua Butler's mother demands answersMore th…