griffith what she would have needed in a divorce and been entitled to. reporter: keith s daughter-in-law ali griffith listened to the entirety of the prosecution s case. all she heard were theories. they spun a story, and they told a story how they wanted it to go. and they had facts that supported their story, but did not prove it. reporter: and that s what keith s defense attorney mark bryant hammered home for the jury. reporter: what s no evidence mean? they didn t have dna, they didn t have any kinda forensics, they didn t have a confession. they had nothing! they had circumstantial evidence. reporter: in their haste to arrest keith, the defense argued, the police had gotten it wildly wrong. yes, he conceded, keith wasn t the husband of the year. but, he said, deanna s story that keith was pursuing her for a long term commitment was nonsense. rather what he wanted was a port in every storm. reporter: as for the life insurance, $250,000 was far from
entitled to. reporter: keith s daughter-in-law, ali griffith, listened to the entirety of the prosecution s case. all she heard were theories. they spun a story, and they told a story, how they wanted it to go. and they had facts that supported their story, but did not prove it. reporter: and that s what keith s defense attorney, mark bryant, hammered home for the jury. what s no evidence mean? they didn t have dna, they didn t have any kinda forensics, they didn t have a confession. they had nothing. they had circumstantial evidence. reporter: in their haste to arrest keith, the defense argued, the police had gotten it wildly wrong. yes, he conceded, keith wasn t the husband of the year. but, he said, deanna s story that keith was pursuing her for a long term commitment was nonsense. rather what he wanted was a port in every storm. reporter: as for the life insurance, $250,000 was far from a financial windfall, he said.