Louisiana Supreme Court Vacated Murder Conviction
The state high court ruled 4-3 to declare a mistrial in the 2019 case of Alvin Jerome Lewis.
Updated on Sept. 30, 2026 in Criminal Justice

The Louisiana Supreme Court has overturned the murder conviction of Alvin Jerome Lewis. The court voted 4-3 to declare a mistrial in the case surrounding the 2019 death of Marcus Robicheaux.
Why it matters
The ruling resets the legal proceedings for the defendant, who had been convicted of second-degree murder and firearm charges. Future proceedings for the case are currently undetermined.
The Louisiana Supreme Court issued a 4-3 decision to vacate the guilty verdict against Alvin Jerome Lewis. The defendant originally faced charges of second-degree murder, firearm possession, and obstruction of justice.
The players
Alvin Jerome Lewis
The defendant is an Arnaudville resident who was previously convicted of the murder of Marcus Robicheaux.
Marcus Robicheaux
The 32-year-old victim was discovered deceased inside a vehicle in Rapides Parish in 2019.
Louisiana Supreme Court
The state's highest judicial body ruled 4-3 to vacate the conviction and declare a mistrial.
16th Judicial District Court
This lower court previously presided over the original murder trial and conviction of Alvin Jerome Lewis.
The details
Investigators alleged that Lewis shot 32-year-old Marcus Robicheaux during an altercation inside a vehicle near Henderson. The victim's body was later discovered abandoned in a vehicle in Rapides Parish near the town of Lecompte.
Timeline
The initial altercation and shooting occurred in November 2019.
The Louisiana Supreme Court declared a mistrial on September 30, 2026.
Legal Context
This reversal follows the established pattern of the Louisiana Supreme Court exercising its authority to review and vacate lower court convictions. Such rulings highlight the rigorous appellate scrutiny applied to murder trials within the state judiciary.
The reversal of a murder conviction may prompt increased public scrutiny regarding the evidentiary standards used in the 16th Judicial District Court. Residents in the affected jurisdictions may see further court activity as the legal status of the defendant remains unresolved.
The takeaway
The court's decision necessitates a new phase of legal deliberation regarding the 2019 incident. Further proceedings will determine whether the charges against the defendant will be retried or if the case faces permanent dismissal.
Further reading
For more information on state judicial proceedings, visit the Criminal Justice section.
Source note: This article includes information reported by KLFY 10 Lafayette.










