Under the Banner of Heaven is an American true crime drama television miniseries created by Dustin Lance Black, based on the 2003 non-fiction book by Jon Krakauer about the case of brothers Ron and Dan Lafferty who killed their sister-in-law and young daughter in 1984.

However, it also reignited controversy about depictions of the LDS faith,[3] and the victims' relatives and police involved in the case noted the series deviated substantially from the facts.

Initially intended to be adapted as a film beginning in 2011,[7][8] it was announced in June 2021 that it would now be developed as a miniseries, with Dustin Lance Black retained as screenwriter and David Mackenzie serving as director.

Lindsay Hansen Park (of the Sunstone Education Foundation) and Troy Williams (of Equality Utah) worked as cultural and historical consultants.

[17][18] Whip Media, which tracks viewership data for the more than 21 million worldwide users of its TV Time app, calculated that Under the Banner of Heaven was the most anticipated new televisions series of April 2022.

The website's critics consensus reads, "While Under the Banner of Heaven gets bogged down by an overabundance of backstory, its procedural through-line is enriched by thoughtfully grappling with personal faith.

[29] Historian Patrick Q. Mason, in a review of the show, pointed out that it is the most recent entry in a long history of American media portrayals of Mormons as inherently violent.

"[31] Randy Johnson, the American Fork chief of police in charge of the 1984 murder investigation said, "I find the book to be substantially more accurate than the miniseries.