. >> reporter: lance unglesby was on the defense team, and he argued there wasn't nearly enough evidence to convict greg harris. nothing put him at the site of the killing, the alleged motive was weak, and the blood evidence paltry. >> our theory was very clear. if greg harris had done this, you would've found an enormous amount of blood in that mercedes and on his clothes and at the house in baker. and that just wasn't the case. >> reporter: lance, out at the house there, very curious about this clorox bottle, where again they think they see comingled blood on -- what about that? that's a problem for you. >> well, practically it's not a problem. in the normal course of living a little blood on a clorox bottle is really not that big a deal. chiquita lived there. of course her dna would be on that bottle. >> reporter: as for the hair that the prosecution said was planted? the defense argued that was just an unproven theory. those two female clients may not have been involved -- but the long strands suggest another woman may have been there. >> it suggested that a female had maybe killed h