The owner of the clip says "I found some mice messing around in the laboratory that I own, so I brought my cat from the house to catch these mice and jumped out of joy when I entered one day and found it carrying a mouse in its mouth, but ...." ! pic.twitter.com/zM6JFgaDAH — ○༺𓂂𓂃ᗙ 𝔐𝔞𝔯𝔱𝔦𝔫 ᗛ𓂃𓂂༻○ (@KlatuBaradaNiko) July 7, 2022 ひさしぶりに他人様(ひとさま)の褌(tweet)にて失礼。引いたtweetも冒頭の1行からすれば、オリジナルの投稿者によるもの