LYLE Menendez has reportedly been cheating on his second wife with a 21-year-old British student - years after another affair broke up his first marriage.
The convicted murderer, 56, is said to have started a relationship with Milly Bucksey, 21, at the beginning of this year despite being married to Rebecca Sneed since 2003.
Lyle reportedly told his girlfriend he wants to divorce Sneed, 55, to be with her.
The forbidden lovers first met when Lyle noticed Bucksey, a student at the University of Manchester, in a Facebook group run by his wife in support of Lyle and his brother Erik.
Lyle and Erik, 53, are serving life sentences in prison for shooting their parents, Kitty and Jose Menendez, to death in August 1989.
Lyle continued to communicate with Bucksey from his cell at the Richard J. Donovan Correctional Facility in San Diego, California, with a contraband cell phone, according to the .
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Security guards eventually busted him for having the phone on March 15.
Lyle got a second illicit phone after he was caught with the first one, which is how he reportedly keeps up with Bucksey now.
Bucksey lives in Altrincham, Greater Manchester, but has traveled thousands of miles to visit Lyle in San Diego multiple times.
"Lyle adores Milly," a source told the Daily Mail.
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"And she refers to him as her boyfriend even though he’s married."
Pictures obtained by the Daily Mail show Bucksey smiling as Lyle wraps his arms around her in front of one of the prison yard's murals.
Another picture shows the couple posing with a dog, while a third shows Bucksey sitting on Lyle's lap and smiling.
The incident where Lyle was caught on the phone in March was recorded in a resentencing memo by incumbent Los Angeles District Attorney George Gascón at the end of October.
Gascón announced last month he recommended Lyle and Erik be resentenced for the shotgun murders of their parents, saying the brothers "paid their debt to society."
The decision came after interest in the case was renewed due to Ryan Murphy's Netflix drama Monsters: The Lyle and Erik Menendez Story.
Timeline of the Menendez brothers case
Erik and Lyle Menendez have been serving a life imprisonment sentence without the possibility of parole since July 1996.
The brothers were convicted of shooting their parents to death in their Beverly Hills home in August 1989.
Timeline:
August 20, 1989 - José and Kitty Menendez are found dead from multiple shotgun wounds.
March 8, 1990 - Lyle is arrested outside his parents' Beverly Hills mansion.
March 11, 1990 - Erik turns himself in to police after flying back into Los Angeles from Israel.
July 20, 1993 - The highly publicized trial of Lyle and Erik begins and ends weeks later in a mistrial.
October 11, 1995 - Lyle and Erik's second trial begins.
March 20, 1996 - The Menendez brothers are convicted of two counts of first-degree murder and conspiracy to commit murder.
July 2, 1996 - Lyle and Erik are sentenced to life in prison without the possibility of parole and sent to separate prisons.
February 2018 - Lyle is transferred to the San Diego prison, where Erik is held.
April 4, 2018 - Lyle was moved into the same housing unit as Erik - the first time the brothers were reunited in over 20 years.
May 2023 - The attorney representing Lyle and Erik files a habeas petition after Roy Rosselló, a member of the Puerto Rican boy band Menudo, made sexual abuse allegations against Jose Menendez.
September 19, 2024 - Monsters: The Lyle and Erik Menendez Story releases on Netflix.
October 3, 2024: Los Angeles District Attorney George Gascón said his office was reviewing new evidence in connection with Lyle and Erik's convictions.
October 7, 2024 - The Menendez Brothers documentary film comes out on Netflix.
October 16, 2024 - Family members of the Menendez brothers hold a press conference begging for the siblings to be released from prison.
October 24, 2024 - Los Angeles County District Attorney George Gascón recommends the brothers be resentenced.
December 11, 2024 - The Menendez brothers are set to go before a judge in a scheduled hearing.
While prosecutors in the highly publicized murder trial believed the brothers killed their parents out of greed for the family's fortune, the siblings alleged they shot their parents in self-defense following years of sexual abuse by their dad.
Over a dozen members of Erik and Lyle's family showed their support for the pair's release by speaking out in their defense at a press conference last month.
The U.S. Sun has requested a comment from a lawyer representing the Menendez brothers' family members.
While the pair have served over three decades in prison, both of the brothers have been married for the majority of their time behind bars.
Erik married his wife, Tammi Saccoman, and became a father figure to her daughter, Talia, from prison in June 1999.
LYLE'S FIRST AFFAIR
Meanwhile, Lyle has been married twice - and his relationship with the British student isn't the first time he's been caught cheating.
He began dating model Anna Eriksson when she wrote him a sympathy letter when the brothers' first murder trial ended in a mistrial.
The pair married over the phone on July 2, 1996, which is the same the brothers were sentenced to life in prison.
Eriksson and Lyle were married for five years until a cheating scandal separated the two.
In 2001, Eriksson filed for divorce, claiming Lyle was unfaithful to her by exchanging letters with other women.
Lyle then started a relationship with Sneed, a former magazine editor, before they got married in November 2003.
In 2017, Lyle told People that the couple spoke on the phone daily and had a strong relationship.
"She’s endured a lot, but she has the courage to handle the obstacles," he said.
"It would be easier for her to walk away, but I’m profoundly grateful she hasn’t."
Sneed hasn't commented on the reports of Lyle's affair.
Earlier this month, Gascón lost his reelection bid to former federal prosecutor Nathan Hochman, who is set to review the case to make his own decision on the brothers' possible clemency.
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Erik and Lyle are set to go before a judge in a scheduled hearing about their potential resentencing on December 11.
If you or someone you know is affected by any of the issues raised in this story, call RAINN (Rape, Abuse, & Incest National Network) at 800-656-HOPE (4673).