Why is one of the chief designers of the B-2 bomber in a high-security prison?

Why is one of the chief designers of the B-2 bomber in a high-security prison?

Noshir Gowadia, one of the main designers of the stealth bomber project “Northrop B-2 Spirit” of the United States, which the U.S. military has used to target three sensitive nuclear sites in Iran—Fordow, Natanz, and Isfahan—is currently imprisoned.

This Indian-origin engineer was sentenced to 32 years in a high-security prison known as “ADX Florence,” often referred to as the “Alcatraz of the Rocky Mountains,” for transmitting classified military information to foreign countries.