> Is this legal in the US or is the current US administration in hot water?
Keeping immigrants in indefinite detention probably isn't legal in the US, doesn't mean it's not going to continue.
> current US administration in hot water?
The FBI is working their way through jailing senior members of the Trump campaign.
Nope. They tried, got caught and nothing happened.
I don't know where people get the idea that Germany has no corruption issues. It does. It also regularly blocks incentives that try to get a hold of said corruption.
https://www.bbc.co.uk/news/world-us-canada-47263226 : former election campaign chief Paul Manafort is the big one.
https://www.bbc.co.uk/news/world-us-canada-46347887 George Papadopoulos received a short prison sentence for lying to the FBI.
The following associates are convicted but not yet sentenced, presumably while they cooperate with investigators:
Rick Gates has pled guilty to conspiracy against the United States (!)
Michael Cohen has been allowed medical leave before serving his sentence: https://www.nytimes.com/2019/02/20/nyregion/michael-cohen-pr...
Michael Flynn (who was actually, briefly, a member of the Trump administration) has pled guilty to lying to the FBI.