“The Alibi”: Dateline Reports on Karlyn Ramirez Homicide December 27 2025

NBC’s Dateline dives into a chilling case of domestic violence and calculated murder in its Weekend Mystery episode titled The Alibi, airing Saturday, December 27, 2025. Reported by Andrea Canning, the episode unpacks the events surrounding the tragic death of 24-year-old Army Specialist Karlyn Ramirez, found murdered in her Maryland home in 2015. What initially appeared to be a home invasion soon revealed a far more sinister truth, as investigators unraveled a complex plot involving Karlyn’s estranged husband, Army Sergeant Maliek Kearney, and his mistress, Dolores Delgado.

Through interviews with federal agents, prosecutors, and Karlyn’s family, the episode lays bare a story of control, betrayal, and premeditated violence within a military marriage—raising larger questions about the systems meant to protect victims from abuse.

• Who Was Karlyn Ramirez & What Happened to Her? 2025 Update & Background
• Who Is Maliek Kearney & Where Is He Now? 2025 Update & Background
• Who Is Dolores Delgado & Where Is She Now? 2025 Update & Background

A Promising Life Cut Short

Karlyn Ramirez was a rising soldier stationed at Fort Meade, Maryland. She came from a proud military family in Texas and had chosen to serve her country after completing her associate’s degree. Her dedication was clear to those around her. But beneath the surface, she was navigating a troubled marriage with fellow soldier Maliek Kearney, whom she had met while stationed in South Korea.

The couple had married shortly after the birth of their daughter in April 2015. But the relationship quickly deteriorated. Reports indicated Kearney had been verbally abusive and controlling, while Karlyn had taken steps to distance herself, including requesting a military-issued no-contact order. The marriage had lasted just over a month by the time Karlyn was found dead.

The Crime Scene: A Staged Tragedy

On the morning of August 25, 2015, a maintenance worker at Karlyn’s Severn, Maryland townhouse noticed her back door ajar. Inside, police found her lying on the bedroom floor, fatally shot three times at close range. Cradled in her arms was her four-month-old daughter—alive and miraculously unharmed.

Investigators initially considered the possibility of sexual assault, as Karlyn’s clothing had been pulled down. However, the autopsy revealed no signs of such an attack. Detectives determined the crime scene had been staged. A closer look into Karlyn’s life led authorities to suspect someone close to her, and attention turned quickly to her estranged husband.

A Calculated Plot Unravels

Maliek Kearney was stationed at Fort Jackson, South Carolina, at the time of the murder. When first interviewed, he denied involvement and claimed to have been home alone on the night of August 24. He offered up his phone, car, and a DNA sample to investigators. But digital evidence began to tell a different story.

Forensic analysis uncovered that Kearney had recently used a phone-wiping app around the time of the murder. Investigators recovered partial data, revealing constant communication between Kearney and a woman named Dolores Delgado. Delgado initially claimed she had been with Kearney the entire evening. But inconsistencies in her story and a trail of digital messages soon exposed a deeper conspiracy.

The Mistress’s Involvement

Delgado, a former Army member herself, had been romantically involved with Kearney for years. When investigators examined her phone, they discovered a text from Kearney shortly before the murder saying, “That gun is so damn loud.” Delgado had not only purchased the .357-caliber revolver used in the killing but also lent her vehicle to Kearney for the trip from South Carolina to Maryland.

She remained at his apartment to create the illusion that Kearney had never left. She used his phone and digital streaming services to bolster the alibi. Meanwhile, Kearney drove more than seven hours to Maryland, entered Karlyn’s home using a key, and shot her multiple times before leaving the baby in her arms and driving back.

Delgado later helped dispose of the weapon and other incriminating evidence in a Florida waterway. FBI divers recovered the gun, which forensic testing confirmed was the murder weapon.

The Arrests and Legal Proceedings

In October 2016, both Kearney and Delgado were arrested in San Antonio, Texas. They were charged with interstate travel to commit domestic violence resulting in death. After mounting evidence and Delgado’s full confession, she agreed to testify against Kearney in exchange for a plea deal.

At Kearney’s 11-day trial in 2018, prosecutors laid out the elaborate plot, detailing how Kearney used Delgado’s car, avoided gas stations, and staged the crime scene. Witnesses testified about his controlling behavior and the protective order filed by Karlyn. The jury found him guilty on all counts.

Sentencing and Aftermath

On November 30, 2018, U.S. District Judge George L. Russell III sentenced Maliek Kearney to life in federal prison without the possibility of parole, plus an additional 10 years for firearms charges. He was also ordered to pay $492,800 in restitution to the Ramirez family. The judge called Kearney “dangerous” and “predatory,” stating the sentencing guidelines were “off the charts.”

Delores Delgado received a 17-year sentence in September 2018, with her release scheduled for 2031. In court, Karlyn’s mother spoke of her pain, recalling Kearney’s cold demeanor at her daughter’s funeral. Karlyn’s daughter is now being raised by her maternal family.

A Case That Exposed Systemic Failures

The murder of Karlyn Ramirez brought to light the danger some military spouses face behind closed doors. Despite seeking protection through official channels, Karlyn could not escape the violence she feared. Her case sparked calls for deeper reforms in how domestic violence is addressed within military ranks.

Dateline’s The Alibi highlights how meticulous investigation and interagency cooperation—between local police, Army CID, and the FBI—helped bring justice for Karlyn. Yet the scars remain for those she left behind, including her child, who survived a crime of staggering cruelty and calculation.