NEW YORK — Daniel Penny's martial arts instructor from the Marine Corps took the stand Thursday for day six of witness testimony in Penny's trial. Penny has pleaded not guilty in the chokehold death ...

Prosecutors called a Marine veteran who gave Daniel Penny martial arts instruction to the stand on Thursday. Penny, a 26-year-old former Marine, is facing charges of second-degree manslaughter and ...

A Marine veteran who served alongside New York City subway chokehold suspect Daniel Penny took the stand Thursday during his trial on manslaughter charges in the death of Jordan Neely. Joseph Caballer ...

We step inside the U.S. Marine Corps’ Martial Arts Instructor Trainer Course, where Marines push their physical and mental limits to earn the coveted black belt tab. This intense program blends ...

Daniel Penny’s martial arts instructor testifies in subway chokehold death trial ABC News legal contributor Brian Buckmire breaks down the latest testimony in the trial of Daniel Penny, a former ...