Marauder's Map, the Marauders, and Voldemort

[potioncat]

No: HPFGUIDX 109048

 
> Jen: I supposed Filch got the Map from the Marauders (maybe after 
> the Prank?) and it never saw the light of day until Fred & George 
> discovered it many years later. It would make sense the map got 
> passed from one infamous set of troublemakers to another!! I think 
> the Marauders would hang onto the map otherwise, if it wasn't 
> confiscated from them at Hogwarts.

Potionat:
Lupin says the map was confiscated by Filch while he was a student.  
Fred and George say they "nicked" it from a cabinet in Filch's 
office.