They think they've figured out what caused the hatch on Gus Grissom's Gemini capsule to open prematurely.
Also, a little history on how they recovered the spacecraft 30 years ago.
New Evidence Shows That Gus Grissom Did Not Accidentally Sink His Own Spacecraft 60 Years Ago
Careful analysis of the recovery film showed it was static electricity that doomed the Liberty Bell 7.
www.airspacemag.com
Also, a little history on how they recovered the spacecraft 30 years ago.
Liberty Bell 7: The Peril and Promise of Space Exploration
On July 21, 1961, with a 15-minute suborbital flight of the Mercury spacecraft Liberty Bell 7, Gus Grissom became the second American in space.
cosmo.org