http://www.missingveterans.com/2015/james-mike-kimsey/
Imvho delirium or some sort of psychosis could have set in based on his meds, bp & sugar levels which could sporadically change throughout the day & night. If he spent the day before at Chuck-E-Cheese then maybe he could have overdone it a little. Idk just thinking maybe...
At one point there were comments here and on FB clarifying that he was not on any meds other than as needed anti-inflammatories.