Figueroa

Convictions for mayhem and assault and battery by dangerous weapon not duplicative where jury instructions limited each conviction to separate injuries from independent acts.

Court reverses first-degree murder conviction due to erroneous jury instruction on deadlock; upholds warrantless search, showup identification, reasonable doubt instruction, and intoxication instruction.

Parole officer investigation into potential parole violations qualifies as criminal proceeding under witness tampering statute protecting parole officers and those with information about violations.