Resende

Acquittal of felony-murder at second trial does not invalidate armed home invasion and assault convictions from first trial; different juries need not reach consistent verdicts.

Defendant seeking to withdraw guilty plea for drug distribution failed to establish egregious misconduct by Dookhan serving as setup operator for some samples, as opposed to chemist signing certificates.

Convictions resolved in a single prosecution count as one predicate offense under armed career criminal statute, even if offenses occurred on separate dates.