A Florida man was arrested and charged with injecting a chemical agent with a syringe under the door of his neighbor’s condo, police say, an act of battery allegedly caught on video that was released this week.

Xuming Li, 36, was seen injecting a liquid under a neighboring family’s door at Oxford Place at Tampa Palms '“on several occasions,” according to a police report. The liquid tested positive for the narcotics methadone and hydrocodone.