A man once accused of killing 10 patients under his care has been released from prison today. Richard Williams was charged in the mysterious deaths of 10 people at the VA Hospital in Columbia in 1992. Prosecutors decided to drop charges when it was discovered the same chemical could occur naturally in the body. A Hospital official says thoughts are now are with the families of the 10 who died of mysterious causes. For his part, Williams says he’s not bitter about being held for the last 15 months, and he’s glad to be going home to his family.