i was lucky to be her mama. >> reporter: michael carneal pled guilty to the shootings and was sentenced prison. but after 25 years could walk free. >> mr. carneal, you are currently serving a life sentence for murder. were voices telling you to do something on december the 1st, 1997? >> yes, ma'am. >> and what did they tell you to do? >> take out the gun out of the backpack. and hold it in front of me and shoot. it was -- it's not -- there's no justification or excuse for what i did. i'm offering an explanation. >> so as we fast forward from that day till today, are you still having -- hearing voices that tell you to do things? >> yes, ma'am. >> mr. carneal, when was the last time that you heard one of these voices that told you to do something harmful? >> couple of days ago. >> is there anything else that you wish to share with the board? >> i would like to say to you and to the victims and the victims' friends and families and the whole community that i'm sorry for what i did. i know it's not going to change anything. it's not going to make anything better. but i want them to know tha