when court reconvened, he called donna hagan back to the stand.that she couldn't be believed. >> on cross-examination, she admitted that she believed that if the jury heard that isaiah said it was an accident, then they couldn't convict him of murder. >> so you think that perhaps his mother had said these things so that her son could get perhaps a lesser sentence. >> well, yes. >> the problem is the genie's out of the bottle. >> yes. >> the jury cannot unhear what she said about her own son. how do you now overcome that. >> well, i think it goes back to we have no confession, we have no direct evidence, we have no dna, and we have no other significant piece of evidence that's compelling. >> and in his closing, he made those same arguments to the jury, but the damage was done. it only took the jury four hours to find isaiah hagan guilty on all four counts against him, including murder. >> that's the most relief i've felt since it all happened. i felt like a huge weight was lifted off of me, because all i wanted forever was to just get justice for h

piece of evidence they had, what investigators found when they searched the home of wandel and donna hagan able to locate a towel from that home that was actually the same make, the same model of the towel that was located at the soccer field. >> reporter: and there was something else investigators discovered. wandel owned several guns, but one of them was missing. did you think that maybe isaiah took it? >> it wouldn't be something that we would suspect because he -- >> he didn't like guns. >> didn't like guns, was not comfortable around them. >> reporter: the prosecution told the jury that isaiah owed his father some cash and on the night halee died wandel sent a text to his son, got the money yet? >> we do know that he left $210 for his dad the next morning on the counter. >> reporter: one of the things that seems somewhat weak is the motive. i mean, we're talking about, what, a couple hundred dollars? to just kill somebody for? >> right. i've actually prosecuted cases where somebody was killed for far less than that. >> reporter: it seems like a leap to go from forging checks to cold-b