Cheeks said she checked on the children periodically and later put them in the back seat as she drove from the Whitehaven neighbourhood to the Memphis suburb of Collierville, and to the downtown area, the affidavit said.
Video surfaced after a concerned citizen who saw the unfolding incident took it upon themselves to film the children getting out of the kennels for evidence in case police didn't show up in time.
Leimome Cheeks, 62, was charged with two counts of child endangerment.
Mrs Cheeks had also allegedly shut a seven-year-old child in a separate cage, both of which had an enclosed roof and only a small front-facing metal window.
One neighbor told Local 24 it was "very sad because it feels like hell right here now, it's very hot".
Now, neighbors are asking why and are trying to piece together the thought behind her actions.More news: The Awesome Adventures Of Captain Spirit Arrives June 26, 2018
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Footage has emerged of the moment at grandmother apparently let her grandchildren out of dog kennels in the back of her vehicle.
"I don't think she knew because she loves her grandkids", Cowan told Fox 13.
Cowan recently bought two German Shepard puppies, neighbors told WREG. Something is going on with her.
Other neighbours Eugene and Melanie Richmond described her as a "super good neighbour" and "a real caring person".
WREG tried reaching family for comment, but had not heard back at last check.
Cheeks is scheduled to appear in court Monday, June 11.
We will update this story as more information becomes available.