Absolutely insane that his brother went and hired an expensive defense attorney and they somehow didn't bring up the results of the DNA test that would've exonerated him. It should've been his job to get the results or do something with it as the judge reviewing this case noted. The cops are also to blame, but that's in their nature. A person's defense is their strongest shield.
It's scary to think how this could happen to anyone.
This trial was 1990, the first case to use DNA evidence in the US was in 1987, it'd be pretty close to assume that they'd be relying on DNA tests heavily enough by then.
Anyway, this case didn't really involve DNA that could be collected. A creep flashed a girl and then sped off, she later recognized the car and followed it, it stopped at an address the accused had lived at several years ago, but cops just figured it was him. There's also a rape mentioned, which happened in 1987, so similar issue.
It's scary to think how this could happen to anyone.