with tamerlan tsarnaev. what did they tell you? >> reporter: wolf, they put together a picture of a frustrated boxer who got very close to the top levels of the sport but couldn't quite put it together at the end. i talked to two former coaches who came in contact with him, one who worked with him in the gym, the other who coached another fighter who was in a similar weight class, a close weight class, who observed imhi for a week in the golden glove championships in salt lake city in 2009. they both said they had real talent, he could have really made something of himself as a boxer. they say he had a great punch, great agility, great instincts in the ring. but they say they couldn't put it together at the end. one said they didn't take direction very well. other said they didn't have the lart to fheart to finish his fi. you get the portrayal of a boxer who really kind of made it almost to the pinnacle winning two new england gold gloves