Contrast that with Prosecutorial immunity
>Prosecutors cannot be sued for injuries caused by their own misconduct. For example, even if a prosecutor deliberately withholds exculpatory evidence in violation of professional ethics and a defendant’s constitutional rights, and this willful misconduct results in an innocent person spending decades behind bars for a crime of which they are subsequently exonerated—the prosecutor remains immune from civil liability.[0]
What incentive do they have to provide the evidence? If prosecutor happens to be caught hiding evidence the remedy is dropped charges nothing more. They'll move onto the next case and do the exact same thing.