Is there a time limitation on how long after a crime has been committed that you can be charged?

[Thejezebel]

Just wondering, can police charge you at any point or do they have to charge you within a specific time period?

Depends on the crime I think. And where you are in the world. Google statute of limitations and you’ll find out

Certain offences yes - common assault, low level criminal damage, certain public order offences and most driving offences. Anything that can be tried in the crown court is a different matter.

InEnglish law for things like child sex offences in your boarding school it could even be decades later and in the US even on that issue it varies from state to state.

Depends on the crime.
In the UK, serious sexual crimes, for example, have no statute of limitations.

Where I used to work police used to visit and were on one occasion looking at a 1949 crime investigation

Summary only offences go statue bar after six months in the UK. However either way and indictable there isn’t a limit

It varies. You would also have to check whether the limitation period runs from the date of the crime or the date the police become aware.