# Joel Seidemann

Type: Person

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/joel-seidemann
Canonical HTML page: https://getlegalbrief.com/entity/joel-seidemann

## Timeline

- **2026-10-13**: Federal trial begins — Mangione's separate federal trial on stalking charges is set to start.
- **2026-09-08**: State trial jury selection begins — Mangione's murder trial in Manhattan Criminal Court commences with jury selection.
- **2026-08-11**: Final pretrial hearing — Next scheduled hearing to address evidentiary and procedural matters before state trial.
- **2026-06-17**: Public announcement of psychiatric defense — Judge Carro reveals in open court that Mangione will assert EED defense; orders redacted release of sealed records.
- **2026-06-03**: Secret hearing on psychiatric defense — Judge Carro holds a closed hearing at defense request to discuss and confirm the extreme emotional disturbance defense.
- **2025**: Defense files sealed letter — Mangione's lawyers first raise the possibility of a psychiatric defense in a sealed letter to the court.
- **2024-12-04**: Murder of Brian Thompson — UnitedHealthcare CEO Brian Thompson is shot and killed outside a Manhattan hotel by Mangione.

## Recent coverage (1 stories)

### Mangione's EED Defense: 25-Year Cap vs. Life in UHC CEO Murder
2026-06-17 17:19:51 · Sentiment: Neutral · Impact: 5/10 · Sources: 11

Luigi Mangione will claim extreme emotional disturbance in the murder of UnitedHealthcare CEO Brian Thompson, opening a rare path to a manslaughter conviction with a 25-year maximum. The defense faces steep evidentiary hurdles and is unavailable in his parallel federal case, creating a high-stakes, two-front legal battle.
Full story: https://getlegalbrief.com/story/luigi-mangione-eed-defense-25-years-vs-life

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