>> and now, the prosecutor was ready. in may 2011, one year after the first jury deadlocked, burke strunsky went back to court armed with new evidence for a brand-new panel of hall's peers. jurors heard medical experts testify about the injuries to cristi's head and once again heard lindsay's 911 call. >> i saw him put her under water. >> cristi's co-workers testified for the prosecution. and jerry winkel travelled from idaho to tell jurors what he thought of chris hall. >> i was ashamed to admit that he was once a police officer. >> but if the prosecution had upped its game between the two years of trial, so had the defense. that's when well-known attorneys steve harmon and paul gretch entered the scene and they came out swinging. that story about cristi's affair, for example? there's a shadow hanging over all of this stuff. a very human sort of shadow, which is that she was having a little affair, right, had a boyfriend.