[PghBaldy]

More detail here. Sounds like he may have had a memory issue.

https://www.mercurynews.com/2018/12/02/longtime-radio-host-ray-taliaferro-found-dead-in-kentucky/

[VietVet]

“It sounds like a sudden onset of senile dementia. Unless he had been showing symptoms before this happened and his family had ignored them, or dismissed them. No one wants to admit that a loved one is no longer mentally competent. "Naw, Granpa is all right. He just had a senior moment."