Daniel Perez and Krystal Calvillo Identified in Fatal Hit-and-Run; $5,000 Reward Offered in Northwest Harris County Tragedy

Daniel Perez and Krystal Calvillo Identified in Fatal Hit-and-Run; $5,000 Reward Offered in Northwest Harris County Tragedy

On the evening of July 1, 2025, bicyclists 52‑year‑old Daniel Perez and his girlfriend 33‑year‑old Krystal Calvillo were fatally struck in a harrowing hit‑and‑run incident in northwest Harris County. The crash unfolded around 10:50 p.m. in the 10200 block of Veterans Memorial Drive, near Fallbrook Drive

Perez was the first to be hit while riding his bicycle. The Toyota driver who struck him — identified as operating a 2020 Toyota RAV4 — remained at the scene and cooperated fully with deputies. Calvillo, witnessing the impact, rushed to assist her boyfriend and was tragically struck by a second vehicle, which did not stop and remains unidentified .

Both Perez and Calvillo were rushed to hospitals where they later succumbed to their injuries.

Lives Remembered

Daniel Perez was known among family and friends as a devoted father, son, uncle, and partner. He frequently biked along Veterans Memorial as part of his daily commute, often recognized by the owner of a local gas station who looked out for him after dark.

Described by his niece as “a loving father, son, and uncle,” Daniel’s family established a GoFundMe page to support funeral plans and continue his memory .

Krystal Calvillo is remembered as a fiercely loving mother of two and a courageous spirit. When tragedy struck, she did not hesitate to help — a testament to her character. Her family said, “She died a hero… she literally sacrificed her life to attempt to help somebody. That was Krystal. She had a big heart.”

Friends and family shared heartfelt tributes: “She was more than just a sister, she was a mother, a friend, a protector,” wrote her sibling, remembering Krystal’s unwavering kindness and love for her children

Ongoing Investigation & Community Response

The Harris County Sheriff’s Office Vehicular Crimes Division is actively investigating. With the first driver cooperating, the focus now zeroes in on the second vehicle, which fled the scene. Authorities are appealing to the public for any information or surveillance footage that may identify that driver .

Meanwhile, Crime Stoppers has offered a reward of up to $5,000 for tips that lead to an arrest of the fleeing driver. Tipsters may report via phone at 713‑222‑TIPS, online, or through their mobile app — all calls made directly to Crime Stoppers remain anonymous and eligible for reward consideration.

Perez’s mother, Guadeloupe Gonzalez, issued an emotional plea: “How could you just leave him to die there?” she said. “If you have kids, God sees everything.” Families have urged the unidentified driver to come forward and face responsibility

Legacy and Final Remembrance

Daniel Perez and Krystal Calvillo’s deaths highlight not only the vulnerabilities faced by cyclists on Houston’s roadways, but also the selfless humanity that can emerge under the worst circumstances. Krystal’s heroic act of stopping to aid Daniel, only to lose her own life, leaves behind two children and a community forever altered by their loss.

Their families and communities continue grieving while organizing memorial services and gatherings. GoFundMe campaigns remain active to provide for funeral expenses and support for surviving loved ones.

Key Details at a Glance

Final Reflections

The deaths of Daniel Perez and Krystal Calvillo are heartbreaking reminders of how quickly tragedy can strike. Their story is one of love, bravery, and heartbreaking loss—she rushed to help him, he lay injured in the roadway, and both died far too soon due to an irresponsible hit-and-run.

As authorities continue their investigation and families seek justice and closure, the Dallas-Harris County communities and beyond mourn two lives cut short and honor the heroism in Krystal’s final moments.