A party can only be sanctioned for destroying evidence that it had a duty to preserve, and such duty arises when the party has notice that the evidence is relevant to litigation or when a party should have known that the evidence may be relevant to future litigation. Zubulake v. UBS Warburg, LLC, 220 F.R.D. 212, 216 (S.D.N.Y.2003).
However, a corp. upon recognizing the threat of litigation, need not preserve every shred of paper, every e-mail or electronic document, and every backup tape. Id.
Instead, the duty to preserve extends to any documents or tangible things made by individuals “likely to have discoverable information that the disclosing party may use to support its claims or defenses.” Id.
The duty also extends to documents prepared for those individuals and to information that is relevant to the claims and defenses of any party, or which is relevant to the subject matter involved in the action. Id.
Thus, the duty to preserve extends to those employees likely to have relevant information, i.e. the “key players” in the litigation. Id.