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Missouri Tragedy: Cuban Man Kills Ex-Partner and Her Boyfriend Before Taking Own Life

Friday, January 2, 2026 by Emily Vargas

Missouri Tragedy: Cuban Man Kills Ex-Partner and Her Boyfriend Before Taking Own Life
On the left Yeisir Buster Concepción (victim) and on the right, Elizabeth Hernández Sánchez and her ex-partner, Randys Miguel Ramírez Díaz (murderer) - Image from © Social media

A horrific act of violence has deeply impacted the Cuban community in Missouri just days before the year's end. A man fatally shot his former partner, who was also the mother of his two children, and her current boyfriend before ending his own life.

The incident is being investigated by authorities as a double murder-suicide driven by passion.

The victims have been identified as Elizabeth Hernández Sánchez, 33, and Yeisir Fuster Concepción, 42.

The assailant, identified as Randys Miguel Ramírez Díaz, was Elizabeth's ex-partner. He took his own life shortly after committing the attack.

Fatal Encounter on the Road

According to the Warren County Sheriff’s Office, the violent event occurred between 10:30 p.m. and 11:00 p.m. on Monday, December 29, near South Stracks Church Road and State Highway M.

Officers responded to a call about a "man down" and discovered two individuals with fatal gunshot wounds inside a vehicle upon arrival.

Authorities confirmed that Elizabeth Hernández-Sánchez and Yeisir Fuster were traveling together when they were attacked, and that both were employed alongside the perpetrator.

In the early hours of Tuesday, investigators located a vehicle of interest at a travel center near Interstate I-70. When attempting to communicate with the individual inside, he shot himself and died at the scene. He was later confirmed to be Randys Ramírez.

Prior Threats and Passionate Ties

Police verified that a week before the crime, Ramírez had threatened the couple’s lives. This background now plays a crucial role in the ongoing investigation.

The previous romantic connection between Elizabeth and the killer is considered significant in understanding the motive behind the crime, as stated by authorities.

The Victims’ Background

Elizabeth Hernández-Sánchez and Randys Ramírez hailed from Sancti Spíritus. Meanwhile, Yeisir Fuster Concepción was originally from Céspedes, Camagüey but had lived in Ciego de Ávila before moving to the United States five years ago.

Six Children Left Orphaned

The tragedy leaves six children without parents. Elizabeth had three children: two with Randys and an older child from a previous relationship.

On the other hand, social media users have claimed that Yeisir was the father of three daughters.

Elizabeth’s sister has set up a GoFundMe account to raise funds primarily for funeral expenses and to support the children facing a new reality.

"Elizabeth leaves behind three children who now face a very difficult reality after this unexpected loss," expressed Elizabeta Hernández Sánchez. "Any help, no matter how small, would be deeply appreciated. If you can't donate, we ask that you help by sharing..." she added.

A Wake-Up Call on Gun Violence

Javier Díaz, a journalist from Univisión, who shared the case on Facebook, highlighted that this incident underscores gun violence, particularly among Cuban immigrants who, as he noted, may not always understand the responsibility that comes with carrying a firearm.

Authorities confirmed that there is no threat to the community, no officers or bystanders were injured, and anyone with additional information is encouraged to contact the Warren County Sheriff’s Office at 636-456-4332.

Understanding the Missouri Tragedy

What was the motive behind the Missouri tragedy?

The tragedy is believed to be driven by a passionate motive, involving a previous romantic connection and threats made by the assailant prior to the incident.

Who were the victims and the perpetrator in this case?

The victims were Elizabeth Hernández Sánchez and Yeisir Fuster Concepción. The perpetrator was Randys Miguel Ramírez Díaz, Elizabeth's former partner.

How did the community respond to the incident?

The community has been deeply affected, with efforts made to raise funds for the victims' children through a GoFundMe campaign. The incident has also sparked discussions on gun violence.

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