New details have emerged in the shocking killing of a Texas mother of five, as investigators identified the teenage suspect they believe carried out the fatal stabbing. Authorities also disclosed a heartbreaking development that has added another layer of tragedy to an already devastating case.

Police allege that 19-year-old Amaya “Cookie” Diaz was the individual who delivered the fatal knife wounds that claimed the life of 32-year-old Caroline “Caro” Peña during a violent confrontation in Del Rio, Texas. The attack, which unfolded in broad daylight at one of the city’s busiest intersections, has stunned residents and left Peña’s family struggling to cope with an unimaginable loss.

According to investigators, Diaz did not act alone. Her older sister, 21-year-old Kitty Mia Diaz, and their friend, 21-year-old Kyandra Renee Faz, have also been charged with murder in connection with the deadly assault. Prosecutors accuse the trio of acting together during the attack that ended Peña’s life.

Authorities say surveillance footage, witness statements, and evidence collected at the scene helped detectives piece together what happened. Investigators allege that while all three women participated in the assault, it was Amaya Diaz who stabbed Peña multiple times, causing the injuries that ultimately proved fatal.

The revelation comes after disturbing arrest footage circulated online, showing the teenage suspect smiling and laughing as officers took her into custody. The video quickly sparked outrage across social media, with many viewers expressing disbelief at what they described as her seemingly carefree attitude despite facing a murder charge.

Law enforcement officials have not suggested that Diaz’s facial expressions indicate guilt or remorse, but the footage has nevertheless become one of the most widely discussed aspects of the case.

The fatal attack occurred shortly after 2 p.m. on Thursday, when Peña was allegedly confronted by the three women near a busy commercial area in Del Rio. Witnesses reported seeing the confrontation escalate rapidly, with little warning before violence erupted.

Despite suffering multiple stab wounds, Peña reportedly fought desperately to survive. Friends say she refused to surrender, attempting to defend herself even after collapsing during the assault.

Emergency medical personnel transported Peña to a nearby hospital before she was airlifted to a trauma center in San Antonio. Doctors worked for several hours to save her life, but she later died from the injuries she sustained.

Friends and relatives have described Peña as a devoted mother whose primary focus was raising her children. She stayed home to care for her five sons and daughters, whose ages range from toddlers to teenagers.

The tragedy became even more heartbreaking after loved ones revealed that two of Peña’s children have autism and require additional care and support. Family members say her sudden death has left the children facing an uncertain future without the person who served as the center of their lives.

As investigators continue searching for a motive, people who knew Peña say they remain confused by the violence.

Friends describe her as someone who avoided conflict and rarely became involved in arguments or personal disputes. Rather than seeking confrontation, they say Peña was known for encouraging peace among friends and family members.

Because of her reputation, those closest to her have struggled to understand why she became the target of such a brutal attack.

Police have not publicly disclosed whether the suspects knew Peña before the incident or whether the confrontation stemmed from a previous disagreement. Detectives continue interviewing witnesses while reviewing surveillance footage and forensic evidence to determine exactly what led to the deadly encounter.

Meanwhile, one particularly painful discovery has deeply affected Peña’s loved ones.

According to friends, one of the accused women is also a mother with a young child. That revelation has intensified the grief felt by those mourning Peña, who cannot understand how another parent could allegedly participate in an attack that would leave five children without their mother.

Friends have reflected on the devastating contrast between the two families. While the accused women will have opportunities to communicate with their loved ones as the legal process unfolds, Peña’s children must now grow up without their mother’s guidance, comfort, or presence.

Supporters say the emotional impact of the crime extends far beyond the courtroom.

The children’s lives have changed forever, and those close to the family believe no legal outcome will ever replace the love and security they lost.

Community members have rallied around the family in the days following the killing. A fundraising campaign was established to help provide financial assistance for Peña’s children, covering immediate expenses and future needs as relatives work to rebuild their lives.

Donations began arriving almost immediately after the campaign launched, with supporters expressing sympathy and offering assistance in any way they could.

Although the financial support has been welcomed, family friends emphasize that no amount of money can repair the emotional damage caused by Peña’s death.

They say the children now face birthdays, holidays, school milestones, and countless everyday moments without the mother who had devoted her life to caring for them.

As the criminal case moves forward, prosecutors are expected to rely on witness testimony, surveillance recordings, forensic evidence, and medical reports to establish each suspect’s alleged role in the killing.

All three defendants remain in custody while awaiting future court proceedings. If convicted, they could face severe penalties under Texas law.

Investigators have continued urging anyone with additional information about the incident to come forward as they work to establish a complete timeline of events.

For Peña’s family and friends, however, the investigation cannot erase the pain of losing someone they describe as compassionate, hardworking, and deeply committed to her children.

They continue remembering her as a loving mother whose greatest priority was providing a better life for her family.

While many questions surrounding the attack remain unanswered, one reality is painfully clear: five children have lost their mother in an act of violence that has shocked their community.

As legal proceedings continue, loved ones hope the investigation will eventually provide answers about why the deadly confrontation occurred. Until then, they remain focused on honoring Peña’s memory while ensuring her children receive the support they need to face the difficult years ahead.