What does it mean to help a policeman who believes in a crime ask relatives of criminals for travel itinerary, health code and ID card?

According to the law, within 24 hours after a person is detained, a copy of the detention notice should be served to the family members who are under criminal detention. The detention notice contains the accused crime and the place of detention, so there is no requirement to provide the family ID number in the procedure, so you need to verify whether this person is really detained.

The crime of helping the letter is a crime of helping the information network criminal activities. If someone borrows your bank card, ID card and payment code, then you should be on your guard.

The so-called "two cards" refer to mobile phone cards and bank cards, in which mobile phone cards include mobile phone cards, mobile cards and Internet of Things cards; Bank cards include not only personal bank cards (credit cards), bank accounts (corporate accounts) and settlement cards, but also non-bank payment accounts, that is, third-party payments such as WeChat and Alipay commonly used by the public, as well as Internet account passwords, online payment interfaces and online banking digital certificates with payment and settlement functions. The crime of "two certificates" refers to the illegal and criminal activities of illegally buying, selling, renting and selling "two certificates".