A man was seen on body camera video biting an officer after spraying him with pesticide, officials said.Investigators are trying to figure out how it happened.South Daytona police said Timothy Jason Coffman was trying to break into multiple residences when an officer approached him and he ran.They said nothing was slowing him down, not even a Taser.It was just after 7 a.m. last Thursday when Buz McKim heard yelling outside his door.He said a South Daytona police officer was chasing Coffman down the street and yelling at him to get down.McKim said that, when the officer finally fired his Taser, "He (Coffman) didn't look like it even affected him. He just yanked the wires out and kept running down the street."Police said Coffman then ran two doors down."He runs up on my porch here and yells, 'Help me, help me,'" witness Tommy Pendleton said.Multiple officers were called in to assist, and the body camera recorded the rest of the incident.Officials said Coffman can be seen spraying what was later identified as pesticide at the officers.They said he bit the finger of another officer as they worked to subdue him.According to the police report, Coffman's arms were vascular, his face and body were red and he was foaming.Officers gave him two doses of Narcan, but said the drug didn't seem to work.Just moments later, they began administering CPR.Coffman was arrested and transported to the hospital for treatment.He was taken off life support on Monday.The medical examiner will determine what caused his death.