The After-Action Report

The After-Action Report

Delta's Fallen Operator

To his sister, Billy Lavigne was a protector—until war and Delta Force left him broken.

Seth Hettena's avatar
Seth Hettena
Aug 19, 2025
∙ Paid
27
3
6
Share
Army Master Sergeant William Lavigne II

This post is free for the first two weeks—then it moves behind the paywall. If you value independent journalism that takes a hard look at the military and intelligence worlds, consider becoming a paid subscriber for just $5/month. Your support makes this work possible.

Updated

When Cassandra Lavigne talks about her brother Billy, a Delta Force operator killed in a shooting on Fort Bragg, the first thing she wants you to know is that he was not a monster.

“He was a really good-hearted person,” she says. “He’d go above and beyond for anyone.” In his 19 and a half years in uniform, Lavigne was “first in, last out” on deployments. He joined Delta to make the world better, she says, to stop the abuse and violence he saw everywhere. “He wanted to be the good guy,” Cassandra says.

At the same time, 37-year-old Master Sergeant William Lavigne II was deeply damaged by war. Cassandra believes her once-unshakeable brother suffered from PTSD and moral injury. Sh…

This post is for paid subscribers

Already a paid subscriber? Sign in
© 2025 Seth Hettena
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture