Christopher Dunn freed from prison after 1991 murder conviction overturned CBS NewsChristopher Dunn released after St. Louis Circuit Attorney declines to retry case KTVI Fox 2 St. LouisMissouri man is free after 34 years behind bars, an overturned murder conviction and pushback from attorney general ABC NewsChristopher Dunn freed after 34 years in prison. Supreme Court ruling cleared path. St. Louis Post-Dispatch