Cleaning, he taught those who stayed to watch, wasn't simply removal. It was interrogation and care. Each surface held evidence of lives lived in fragmented moments: the smudge on the pediatric door from a toddler's sticky hands, the faint coffee ring on a nurse’s chart, the scuff-mark along the corridor where a stretcher had kissed the wall. To him, those traces were not blemishes to hide but stories to respect. His method read like careful surgery.