It may not be happening to people you particularly care about so it may escape your notice, but headlines and social media posts with videos of this happening appear with regularity.
[0] https://www.theguardian.com/world/2018/may/11/rakem-balogun-...
The FBI raided a man's home on the basis of Facebook posts that the agency itself admitted couldn't be characterized as threats to any person or organization. They nevertheless held him without bail for five months while they attempted to find evidence to justify a charge of abetting terrorism or the like. They couldn't come up with anything. In the end they charged him with unlawful gun possession, but that charge was specious enough that it thrown out by a judge before even going to trial. In the meantime the man lost his job and his home.
This wasn't the normal functioning of law enforcement. This was abuse of law enforcement to punish politically disfavored speech (which speech, I repeat, the law-enforcement agency in question conceded was non-threatening).
The decision to deny bail was based on logic that they provided in open court. I'll let you look at their logic and decide for yourself whether it makes sense.
This is at least a reasonable system even if it needs some adjustments to get closer to justice.
I referenced the following two URLs:
http://foreignpolicy.com/2018/01/30/is-a-court-case-in-texas...
I'm not sure why that is a justification. The Chinese security services clearly got the authority to act as they did to. It doesn't make it right.
It's a justification because they had to provide evidence to a judge who had to assess it given our laws. What better system should I expect? If it's not a system problem and so there's a particular failing in this case, please point it out.
How was the authority given to the Chinese security services? This is a very important detail, because you can setup systems with checks and balances and laws or you can give carte blanche.
It is a travesty, I'll agree. But words have meanings, and "abducted" is not what that was.