and how did dick laird and paul tatsuguchi, how did they collide? k laird looks up the knoll and sees that a group of japanese soldiers has captured an american mortar. and so, laird pulls out two grenades. he pulls the pin, and then he throws it. the grenade explodes, and laird finds that some troops who are alive. and he and a fellow soldier kill them. >> wertheim: he kills eight japanese men. >> obmascik: he does. and he wins the silver star for it. >> wertheim: on one of them, he notices something unusual. what was that? >> obmascik: there is an address book that's full of some names from california. and there is a sheet, the diary. >> wertheim: whose personal effects were those? >> obmascik: he found the diary of paul tatsuguchi, whom he had killed as tatsuguchi was joinint and the japanese occupation ofet day, w500 defe soldiers gd on this harry sasser witnessed the mass suicide. >> sasser: they pulled the trigger on a hand grenade and just blew their stomach out. >> draggan mihailovich: a gruesome scene? >> sasser: it was, oh, it was. it was--