we have sunny hostin there as well. holly hughes and on the phone with us is mark o'mara. sunny hostin was in the courtroom and said it was very tense in there. it was a packed courtroom. you saw the davis family and they looked distraught. take us inside the courtroom and also explain to us the instructions the judge gave the jury and the possible outcome for all of this. >> reporter: injury. i mean, the jury made it clear they have reached a verdict on four counts, but they were really dead locked on the first count. not only the first-degree murder count, but all the lesser includes. they went over manslaughter and still couldn't reach a consensus. when that happens, when a jury is dead locked, the united states supreme court in a case called u.s. vs. allen, a judge can instruct a jury to go back, try to reach a consensus and consider the opinions of your fellow jurors. that's exactly what this judge did. the charge was a bit different