Whether a criminal defendant is entitled to a scientific expert essential to confront prosecution's expert analysis

QUESTIONS PRESENTED FOR REVIEW 1. Whether it is clearly established federal law that a criminal defendant is entitled to a scientific expert that is essential to confront scientific expert analysis used by the prosecution in its case-in-chief. 2. Whether a defense attorney provides constitutionally ineffective assistance of counsel by failing to retain a defense expert when scientific analysis forms the primary basis of a criminal prosecution? i