The toddler died after he was trapped inside a hot car while in the custody of a worker contracted by the Alabama Department of Human Resources, the state’s child protective services agency
As you might expect, there are quite disturbing details in the article.
The point is that this can happen without impairment. You don’t need to be impaired for your brain to just not fuckin work and no matter how relatively important you think remembering one thing is over another, that’s not how memory works.