The news about Mt. Gox and the US government wallet transfer appears to be fake. Below are some dashboards that you can confirm the trace yourself later.
📍US Government:
https://dune.com/21shares_research/us-gov-bitcoin-holdings
(Dune has various dashboards, and a lot of information can be searched)
https://www.breadcrumbs.app/reports/6461
(Breadcrumbs is a tool for tracing Bitcoin transaction paths)
📍Mt. Gox:
https://token.unlocks.app/events/mtgox
(TokenUnlocks is mainly used to view the emission of various coins, but it will also make dashboards for events, such as MT gox and Shanghai upgrades)
https://dune.com/21shares_research/mt-gox-bitcoin-tracker