Mangione, Robinson, Reiner and more: Major court cases set to dominate 2026

The docket isn’t wrapping up truthful overmuch arsenic carrying over, with header cases boxed up for the caller twelvemonth arsenic 2026 arrives.

For these defendants and the public, determination are inactive unanswered questions and pending tribunal dates.

Here's wherever they basal and what's expected next:

ROB REINER AND WIFE MURDERED: TIMELINE SHOWS ARGUMENT WITH SON NIGHT BEFORE DEATHS

Luigi Mangione appears successful Manhattan Supreme Court for a suppression proceeding arsenic some sides hole to wrapper up arguments, Thursday, December 18, 2025.  (Curtis Means for Daily Mail via Pool)

Luigi Mangione

The 27-year-old accused assassin allegedly stalked UnitedHealthcare CEO Brian Thompson to a Manhattan edifice and changeable him successful the backmost extracurricular earlier fleeing the country and kicking disconnected a five-day manhunt that ended with his seizure astatine a McDonald's successful Altoona, Pennsylvania, astir 280 miles from the transgression scene.

He faces charges successful New York, Pennsylvania and national court, and trials person not yet been scheduled successful immoderate of the cases.

Mangione has pleaded not guilty.

Next hearing: Jan. 9 (Federal)

SUSPECTED CHARLIE KIRK ASSASSIN FIGHTS HOW MUCH PUBLIC CAN SEE

Tyler Robinson, accused of the execution of Charlie Kirk, appears during a proceeding successful Fourth District Court successful Provo, Utah, Thursday, Dec. 11, 2025. (Rick Egan/The Salt Lake Tribune via Pool)

Tyler Robinson

The 22-year-old from confederate Utah is accused of fatally shooting Turning Point USA laminitis Charlie Kirk from a sniper's perch during a nationalist speaking lawsuit astatine Utah Valley University successful Orem connected Sept. 10, 2025.

ANDREW MCCARTHY: PROSECUTING CHARLIE KIRK'S ALLEGED KILLER IN THE SOCIAL MEDIA AGE

He's owed successful tribunal connected Jan. 16, 2026, for a preliminary hearing, successful which prosecutors are expected to telephone witnesses to the basal to found probable origin earlier the lawsuit heads to trial.

The proceeding gives Robinson's defence squad a accidental to cross-examine those witnesses, and the proceeding could uncover antecedently undisclosed grounds successful the case.

Robinson has not yet entered a plea.

LUIGI MANGIONE SAID 'ALL THESE PEOPLE HERE FOR A MASS MURDER, WHY?' AT ARRAIGNMENT: POLICE OFFICER

Next hearing: Jan. 16

Rex Heuermann appears successful Judge Tim Mazze’s courtroom with his lawyer Michael Brown astatine Suffolk County Court successful Riverhead, New York connected Wednesday, March 12, 2025. (James Carbone/Newsday via Pool)

Rex Heuermann

The 62-year-old designer is awaiting proceedings connected much than fractional a twelve execution charges successful transportation with galore deaths, years apart, successful 1 of the country's astir infamous serial slayer cases.

ROB REINER’S SON NICK MAY FACE DEATH PENALTY AS FAMILY INPUT IS ‘MEANINGFUL BUT NOT CONTROLLING’: EXPERT

According to prosecutors, the accused slayer lived a quiescent beingness successful suburban Massapequa Park, New York, conscionable eastbound of New York City, walking to the bid each time successful a suit and carrying a briefcase.

However, authorities allege, helium had a acheronian broadside — torturing and mutilating diminutive women, whose afloat oregon partial remains were recovered dumped on Ocean Parkway adjacent Gilgo Beach, oregon successful the woods of eastbound Long Island.

Some experts person predicted further victims whitethorn beryllium identified, resulting successful much charges, earlier helium ever heads to trial.

Heuermann presently faces 10 charges of first- and second-degree execution successful transportation with the slayings of 7 women going backmost to 1993. He faces beingness successful situation without parole if convicted.

Heuermann has pleaded not guilty.

Next hearing: Jan. 13

Rob Reiner (center), with his woman Michele Singer and lad Nick Reiner, attends Teen Vogue's Back-to-School Saturday kick-off lawsuit astatine The Grove connected Aug. 9, 2013, successful Los Angeles, California.  (Michael Buckner/Getty Images for Teen Vogue)

Nick Reiner

The troubled lad of Hollywood fable Rob Reiner is accused of sidesplitting some of his parents successful a weapon onslaught aft a nationalist spat astatine an exclusive Christmas enactment hosted by comedian Conan O'Brien.

Both Rob Reiner and Michele Singer Reiner were killed with aggregate stab wounds, according to the Los Angeles Medical Examiner's Office.

ACCUSED CHARLIE KIRK ASSASSIN TYLER ROBINSON TRIES TO HIDE FROM ‘DOUBLE-EDGED SWORD’ OF PUBLICITY: EXPERT

Nick Reiner could look the imaginable decease punishment if convicted, though California has placed a moratorium connected executions and his attorneys are expected to contiguous an insanity defence aft reports that the 32-year-old has been diagnosed with schizophrenia.

Next hearing: Jan. 7

ALLEGED CHARLIE KIRK ASSASSIN TYLER ROBINSON TO MAKE FIRST IN-PERSON COURT APPEARANCE

Alex Murdaugh, right, is shown present with his family. (Fox News)

Alex Murdaugh

Convicted of gunning down his wife, Maggie, 52, and son, Paul, 22, the disgraced erstwhile South Carolina lawyer has an entreaty pending.

Murdaugh's lawyer Dick Harpootlian told Fox News Digital successful precocious December that helium is "cautiously optimistic" that a blameworthy plea from the tribunal clerk progressive successful Murdaugh's lawsuit could pave the mode for a caller trial.

LUIGI MANGIONE DEFENSE SAYS COPS PEDDLED BOGUS MOM QUOTE AS JUDGE WEIGHS IF EVIDENCE WILL MAKE IT TO TRIAL

Rebecca Hill, the erstwhile tribunal clerk successful Colleton County, pleaded blameworthy to obstruction of justice, perjury and different misconduct successful transportation with the proceedings that led to Murdaugh's conviction.

The 57-year-old Murdaugh is serving beingness successful situation without parole.

Next hearing: Feb. 11

JonBenét Ramsey, recovered murdered successful her Boulder location successful 1996, whitethorn spot her lawsuit revived arsenic caller DNA exertion offers anticipation for answers. (Fox Nation)

Special mention: The unsolved murder of JonBenet Ramsey

The twelvemonth 2026 marks 3 afloat decades since JonBenet's mysterious execution a time aft Christmas successful 1996.

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While nary fishy has been identified, forensic investigators proceed to marque advancement successful different acold cases with investigative familial genealogy and advances successful DNA testing. In that regard, the execution successful Boulder, Colorado, whitethorn beryllium person to being solved than ever before.