These types of "packs" typically circulate on imageboards (like 4chan or 2ch) and file-sharing sites. They generally contain:
Extremely graphic and disturbing forensic or scene-of-death photos. Rina_Palenkova_PACK_v0-99.zip
Screenshots of her VK (VKontakte) profile, posts, and comments. These types of "packs" typically circulate on imageboards