Mahatma
If a deletion tool has been used then there are very grave suspicions about the user.
I'm sure there are plenty of people using deletion tools for completely innocent purposes.
A friend of mine who works in the AV world uses one all the time. He has SD cards to record SD and HD video. After each show he archives the material from 6 or 7 cameras to his hard drives. If he uses a brand new 32Gb flash memory card he can record about 31.5Gb of HD video onto it but when he archives it, deletes the files and puts the card back in the camera, he can only record 29.3Gb of HD video onto the card.*
I'm sure we have all at some point tried to write a 7.2 Gb file onto a 8GB USB drive only to be greeted by an 'insufficient space' message. Despite checking that everything has been erased then trying to rewrite the file, it won't have it even though you wrote a 7.9Gb file to the same pen drive two days ago when it was new.
*Data figure are purely for illustrative purposes only.
