Former Marine misused a combat technique in fatal chokehold of NYC subway rider, trainer testifies
NEW YORK (AP) — When Daniel Penny wrapped his arm around the neck of a homeless man on a Manhattan subway last year, the 25-year-old veteran appeared to be deploying a non-lethal chokehold long drilled into U.S. Marines. Done right, the maneuver should knock a person out without killing them, according to Joseph Caballer, a…