Defense Secretary Pete Hegseth promised to make the execution of convicted Fort Hood mass shooter Nidal Hasan public, potentially marking America’s first public execution in 90 years.

Hasan is scheduled to face a military firing squad Dec. 3 at Fort Hood, Texas, at 1 p.m. Central Time. The Pentagon has not explained whether Americans will be allowed to attend the execution in person or watch it through a broadcast, Axios reported.

“He’s gonna get a firing squad of soldiers,” Hegseth said during a Thursday interview with conservative commentator Jack Posobiec aboard the USS Abraham Lincoln. “As it should be. We’ll make sure that people are able to watch it. That it’s public. Because people need to understand that there’s serious consequences for these types of things.”

Hegseth pledged to ensure that Americans could watch the execution because the public needed to understand the consequences of such crimes, CNN reported, citing his Wednesday interview with Jack Posobiec aboard the USS Abraham Lincoln.

The Pentagon did not immediately respond to a request for comment.

Hasan was convicted of murdering 13 people and attempting to murder 32 others during the November 2009 shooting at Fort Hood. He told military jurors during his 2013 trial that he had targeted soldiers preparing to deploy to Afghanistan.

President Donald Trump approved Hegseth’s recommendation to execute Hasan by firing squad, while acting Army Secretary Adam Telle officially scheduled the execution, CNN reported.

The execution would be the first carried out by the U.S. military since 1961 and the Army’s first by firing squad since World War II, Axios reported.

The last public execution in the United States occurred in 1936, when Rainey Bethea was hanged in Kentucky, Axios reported.

While the Army has not responded to questions about how spectators might be permitted to watch, CNN reported.

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