. >> reporter: now on day three of adam frasch's trial, dale folsom raised his right hand, swore to tellt night, kicked him in the back. >> folsom's testimony about the fight between adam and samira was vivid and rich with detail. >> he defended himself pretty much. he thought they were fighting, and he hit her in the head with, with a club. >> what happened? he hit her in the head? >> with a club, golf club. he said he didn't mean to kill her. it just happened, and he got scared and ran and so put her in the pool and then ran. >> in a largely circumstantial case, here was an account of exactly what happened, allegedly from the killer himself. >> what defendant with any sense is going to tell somebody what happened when he hasn't gone on trial yet? >> they do it all the time. if they had any sense they wouldn't be defendants. >> well, i suppose there's that. >> you got nothing to do all day but stare at those four walls. i mean, you got to talk to somebody, right? >> yeah. >> if it's a piece of evidence, i'm going to put it on, and it's going to be up to the jury to decide whether he's c