https://www.google.com/amp/s/www.nytimes.com/2019/05/15/nyregion/eric-garner-death-daniel-pantaleo-chokehold.amp.html
"Mr. London, the defense lawyer, has argued Officer Pantaleo was trying to use a safe takedown technique taught in the Police Academy, known as a “seatbelt” hold."
And
"On cross-examination, Mr. London attempted to challenge Dr. Persechino’s findings. He repeatedly asked her about Mr. Garner’s other ailments: He was obese, weighing 395 pounds, had chronic asthma and an enlarged heart almost twice the size of a healthy person."
Hell, just making him walk up a half flight of stairs could have triggered his death.