Comment by kbutler

> Lidden ordered the [plutonium] from a US-based science website and they were delivered to his parents' home.

Anybody have the URL?

https://www.luciteria.com/element-cubes/plutonium-for-sale?s...

says "sold out"

https://web.archive.org/web/20200904082652/https://www.lucit... says they had one of the Russian smoke detector sources for $5,000 in 2020.

https://the-collectable-periodic-table2.mybigcommerce.com/pl... has it listed (well, "wish listed") for $500.