newscientist.com
人民警察在公安机关以外询问被侵害人或者其他证人，应当出示人民警察证。
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Privacy policy — This is something that some users might take for granted, but you need to pay special attention to the data-handling, storage, and usage practices of a VPN. These practices should be clearly laid out in a privacy policy, and if they aren't, you should not subscribe. Most VPNs require access to your IP address, online transactions, and browsing history, plus your personal details when you sign up. Your favorite VPN should not store these details under any circumstances, as that would negate the whole anonymity thing.
第二十一条 违反治安管理行为人自愿向公安机关如实陈述自己的违法行为，承认违法事实，愿意接受处罚的，可以依法从宽处理。