If a person has evidence of a crime which is still an open case and hasn't come

[Charlie]

forward? can they go to jail? and say they have had this evidence for 5 years..

 

[Lachlan]

I think it depends on the situation. Some people hide evidence as they may be/feel threatened if they were to expose this evidence and some may hide evidence because they were involved in the crime.

 

[Sarah]

Yes its perverting the course of justice