The Box of the Truth Capsules

APTX-4869 is a fictional lethal poison featured in the anime series Detective Conan, developed by the Black Organization (led by core member Shiho Miyano/Ai Haibara). The name translates to ‘Disabled Detective,’ and its design objective is to kill silently (with autopsies showing natural causes of death). The protagonist, Shinichi Kudoi, was forced to ingest this poison while investigating the organisation, resulting in his body shrinking to that of a elementary school student named Conan