spoliation

/S P OW0 L IY0 EY1 SH AH0 N/
noun
  1. 1

    The act of plundering or spoiling; robbery

  2. 2

    Robbery or plunder in times of war; especially, the authorized act or practice of plundering neutrals at sea.

  3. 3

    The intentional destruction of or tampering with (a document) in such way as to impair evidentiary effect.

Source: https://en.wiktionary.org/wiki/spoliation