OKLAHOMA CITY -- The state calls its last witnesses in the trial of a Del City dad charged in connection with the death of his three kids.
Early last year three young children, Christopher, Crystal and Kaylee Dunham died in an RV fire.
Their father, Christopher Dunham, is charged with child neglect and possession of drug paraphernalia.
The final witnesses called by the state, included a Del City fire investigator and an employee with the AFT, Alcohol, Tobacco and Firearms.
They testified it's possible the couple produced meth inside the RV where the kids lived.
Pictures of the inside of the burned-out RV were shown to the jury.
Del City fire marshal Jeff Keester described finding several items used in the possible production of meth.
In addition, Keester claims drug pipes and other drug paraphernalia were recovered from the inside of this burned-out camper shell.
A piece of the camper door was brought into court and demonstrated for the jury.
A latch on the outside of the door locked the kids in the RV, preventing them from escaping the fire.
Prosecutors claim the three victims were repeatedly locked in the RV while the parents went in the adjacent house to get high on meth and pot.
For their part, the defense plans to call an independent expert in fire investigations to point out the fire was merely a tragic accident.
With the state wrapping up their case, the defense will continue calling its own witnesses.
They're expected to call several friends and family to the stand to describe Chris as a loving dad.