[Sirius Lee]

Furthermore, there are actions the accused (for lack of a better term) can take to contest the claim.

I must have missed that part of the Constitution where one is presumed guilty until proven innocent.

[DugwayDuke]

Sirius Lee wrote: “I must have missed that part of the Constitution where one is presumed guilty until proven innocent.”

Did you also miss the part where a judge must determine if the person is a danger to himself or others before removing the weapons?
How is this different from a judge deciding that a person is a danger to himself or others and commits that person to a mental institution?