Hospitals do not keep records of suicide attempts, but the police do.
The police do keep detailed prison records when a person has been imprisoned. This is typically stored in a confidential database. The police will only disclose details of past crimes when a DBS check is requested.
If an investigation is initiated, the police will hold onto that firearm during the course of the investigation.
The NRA doesn't keep those records any more.
Because any aspect of inaccuracy can be an issue in court.
It is possible for police to keep fingerprint records from 40 years ago, especially if the prints were part of a criminal investigation or database. Retention policies vary by jurisdiction, but older records can still be accessible for solving cold cases or re-investigations.
It is impossible to say. Many countries do not keep such records nor are all such statistics publicly available.
The criminal records of individual arrestees are always on file. If you are referring to records of crimes that they have investigated, it can depend on how old the case is as to whether or not it is stored in a records warehouse. You will have to be more specific if either of these answers were not helpful.
Yes. All of the records remain unless ordered destroyed by a judge (which seldom happens).
They have to keep records for 6 years after your last appointment
keep sales records, keep payroll records
Many people would keep a deceased person's records for at least 10 years. Many people keep these records for longer than that.