An Act regarding joint venture

This bill (HD 1691) clarifies murder charges for killings that occur during the commission of certain felonies, specifically addressing when someone aiding in a crime can be charged with first-degree murder. It amends Massachusetts General Laws (chapters 265 and 274) to state that only the person directly responsible for the killing - acting with the same intent as if the killing were independent - can be charged with first-degree murder. Others who aided the crime but weren't directly involved in the killing face a prison sentence of 2.5 to 25 years, not first-degree murder. The changes apply retroactively to all cases involving such killings, whether charged before or after the law's effective date. The title "regarding joint venture" appears inconsistent with the actual content, which focuses on criminal liability during felony offenses.