Another example where a recanting police expert admitting error was insufficient for a new trial for this man. I won’t even begin to explain whats wrong with BP.

His murder conviction rested largely on bloodstain-pattern analysis, a technique still in use throughout the criminal justice system, despite concerns about its reliability.
— Read on www.propublica.org/article/33-years-after-dubious-evidence-helped-convict-him-joe-bryan-has-been-released-on-parole