: If you find an archive, use tools to check the MD5 or SHA-256 hash against reputable database sites to ensure the file hasn't been tampered with. Use Virtual Environments
Many of missjones2000's 2011 rips were not single files but folders containing the full disc structure (VIDEO_TS for DVD or BDMV for Blu-ray), with an additional "extra quality" encode folder. If you find a plain .mkv file without any supplementary files, it may be a later re-upload.