dwells upon

In the modern era, the most influential version of the puzzle — and the one that “Reality+” most dwells upon — appears in the opening sections of René Descartes’ “Meditations.”

In characteristically self-aware fashion, he dwells upon the distinction between his story and that of the stereotypical chronic Lyme patient, while also using it to prop himself up as a rational one.

He dwells upon the ugliness of the Baltimore slums where Ruth was born and the Alcatraz-like atmosphere of the Catholic industrial school where the Babe was sequestered for 10 years as a youth.

The investigation into the 1997 disappearance of Don Lewis, Ms. Baskin’s wealthy former husband — one of several mysteries the show dwells upon — never officially closed.

It’s true the piece doesn’t offer any new material about the case, and while it does provide a fair amount of background, it hardly dwells upon the horrifying details.