listen to prosecutor larry crouch. >> oh, no. why are they putting it in? i thought it was harmful.re was a conversation about whether or not dave would testify. >> i told them that i wanted to testify. >> reporter: an idea that dave's attorney did not like one bit. >> dave is a combative individual, he is very prideful, he is offended easily. >> he thinks he is smart and hates for anyone to think he is not smart. i mean, he'd be just perfect fodder for a trained prosecutor. >> reporter: and so dave held his song in court. he saved his story for us. so you don't think they had any useful evidence against you at all? >> can you -- can anybody name anything? >>> coming up, dave hawk speaks out and so does the jury. >> we, the jury, find the defendant, david martin hawk -- >> when "dateline" continues. up to 90 percent of people fall short in getting key nutrients from food alone. one a day, covers all of them. in just one serving. one a day, and done. but since they bought their new house... which menu am i looking at here? start with "ta-paz." -oh, it's tapas. -tapas. get out of town