The former Marine who taught Daniel Penny how to apply a chokehold was called to testify at his trial on Thursday.
Joseph Caballer was not present when Penny, a 26-year-old Marine veteran, placed Jordan Neely in a chokehold on a New York City subway car last year. On the stand, Caballer referred to photos and videos of the incident to make his assessment that Penny incorrectly performed the chokehold he taught him, which cuts off the oxygen to the brain in about eight seconds, The New York Times reported.
Caballer testified that the videos and images he saw appeared to show Penny holding Neely for several minutes, though Penny has denied that he was applying pressure to Neely’s neck the entire time. Caballer testified that, as Neely shifted against Penny, the original chokehold could have become an “air choke,” which can “cause injury to the trachea or windpipe” and is not…
