The exact original source of this 'Officer, that's her' clip is not widely documented, but the line follows a familiar police lineup trope from crime shows and viral skit videos. Online it circulates as a short accusation meme, lifted for its blunt, finger-pointing delivery rather than any specific show. Creators use it as a punchline for blame and snitching jokes on short-form video, where the instant identification setup needs no context. Its staying power comes from that clarity: three words are enough to cast someone as the culprit.