Cecilia Sierra dies in pedestrian hit-and-run crash on Main Street

Woman struck by first vehicle before second driver fled the scene in Santa Ana

December 19, 2025 | Santa Ana, CA

Cecilia Janeth Sierra, a 31-year-old resident of Costa Mesa, lost her life in a tragic hit-and-run incident in Santa Ana early Friday. 

Authorities reported that she was struck by two vehicles while crossing the street, with the second driver fleeing the scene.

Cecilia Janeth Sierra, 31, of Costa Mesa, died after she was struck by one vehicle and then hit by a second that fled near 3000 South Main Street in Santa Ana.

What Happened in the Crash?

The collision took place at approximately 5:35 a.m. near 3000 South Main Street. According to initial police reports:

• Sierra was walking across the roadway when initially hit by one vehicle, which came to a stop at the location.
• A second vehicle then struck her while she was on the ground, and the driver did not remain.
• Emergency responders arrived quickly, but Sierra was declared deceased at the scene due to her injuries.

This heartbreaking accident underscores the dangers pedestrians face in urban areas, particularly during early morning hours when visibility may be limited.

How Is the Santa Ana Police Department Responding?

The Santa Ana Police Department's Collision Investigation Unit has launched a thorough investigation into the circumstances surrounding the crash. Investigators are working to identify the hit-and-run vehicle and determine factors such as speed, road conditions, and driver behavior.

• Witnesses or anyone with relevant details, including dashcam footage, are urged to contact Detective J. Hernandez at 714-245-8215.
• The first driver who stopped is cooperating with authorities, aiding the ongoing search for the fleeing motorist.

Newsline remains committed to providing updates as the investigation progresses, ensuring the community stays informed on this developing story.

Why Do Hit-and-Run Pedestrian Accidents Occur?

Hit-and-run incidents often stem from a combination of driver negligence, panic, and failure to adhere to traffic laws. Common contributing factors include:

• Distracted driving, such as using mobile devices.
• Excessive speed or impairment from alcohol or drugs.
• Poor lighting or inadequate pedestrian infrastructure at crosswalks.

According to the AAA Foundation for Traffic Safety, nearly 65 percent of fatalities in hit-and-run crashes involve pedestrians or cyclists, highlighting the vulnerability of those on foot.

This table illustrates the scale of the issue, emphasizing the need for heightened awareness and stricter enforcement.

Legal Insights on Pedestrian Hit-and-Run Cases

In cases such as this involving pedestrian accidents and hit-and-run drivers, a thorough investigation is crucial to establish accountability. National legal analyst Candice Bond, managing partner at Bond Legal, stresses the importance of professional resources in these matters.

"Even a brief delay in seeking medical aid after a severe collision can prove fatal. Fleeing the scene benefits no one—neither the injured party nor the responsible driver," Bond noted. "Motorists must exercise utmost caution at all times."

Key takeaways from analyst perspectives include:

• Hiring investigators and professionals to reconstruct the incident and identify liable parties.
• Reviewing insurance policies to secure compensation for medical costs, lost income, and emotional effects.
• Guiding families through the complexities of claims to ensure justice is pursued compassionately.

Stefano Formica, of counsel with Bond Legal, adds that the emotional toll on loved ones cannot be overstated.

"Grief following such a loss is profound, and a dedicated advocate can help navigate the legal process while protecting the family's rights," Formica said.

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