Did the Rebecca Grossman Case Overlook a Second Driver?

On the evening of September 29, 2020, just after sunset in Westlake Village, Mark and Jacob Iskander were crossing Triunfo Canyon Road behind their mother when they were struck in a fast-moving sequence of vehicles. Within moments, both boys suffered fatal injuries.

What happened in those seconds has been the subject of years of legal proceedings, public scrutiny, and ongoing debate. At the center of that debate is Rebecca Grossman, the only driver arrested that night—and a growing body of questions about whether the investigation fully accounted for the presence and potential role of another vehicle.

Witness Accounts Point to More Than One Impact

From the earliest moments after the collision, several witnesses described what did not appear to be a single, isolated event. Instead, they reported a “high-speed convoy” of vehicles traveling through the area, with two distinct impacts occurring seconds apart.

Multiple accounts referenced a lead vehicle—a dark SUV—moving through the crosswalk first, followed closely by another vehicle. That sequence is significant in collision analysis, where timing and order of impact can determine causation.

Despite these early observations, the investigation quickly focused on a single driver: Rebecca Grossman.

What Happened After the Crash

Following the collision, Grossman’s vehicle airbags deployed, triggering the car’s emergency response system. According to available records, she pulled to the side of the road and remained there after being instructed by a Mercedes-Benz operator to wait for authorities.

She did not leave the area. She stayed with her vehicle.

During that time, she contacted Scott Erickson, who had been traveling ahead of her moments before the crash. According to accounts of that call, Erickson asked whether she had seen the children—a question that has since drawn scrutiny given the limited information publicly available at that moment.

The Driver Ahead—and the Lack of Immediate Follow-Up

Scott Erickson, a former Major League Baseball pitcher, was identified early as the driver of the SUV traveling directly in front of Grossman. Yet testimony and records indicate that he was not stopped, detained, or formally interviewed on the night of the incident.

Witnesses later stated that Erickson returned to the vicinity of the crash but remained on the periphery, not identifying himself to law enforcement as a driver involved in the sequence of events.

In standard fatal traffic investigations, particularly those involving multiple vehicles, early identification and examination of all drivers is a foundational step. It allows investigators to preserve evidence, establish timelines, and determine sequence of impact.

In this case, that process appears to have been delayed.

The Critical First 48 Hours

Investigators often refer to the “first 48 hours” after a fatal incident as the most critical window for preserving evidence and securing reliable witness accounts. In the Rebecca Grossman case, several key actions that typically occur within that window did not take place.

Initial media reports referenced the possibility of two vehicles, noting that one driver had been detained while another remained unidentified. Those references, however, faded quickly as the investigation narrowed.

Testimony from later proceedings indicates that despite receiving information identifying Erickson as a potential involved driver, investigators did not immediately locate or inspect his vehicle.

Contact with Erickson reportedly occurred days later—well outside the window when physical evidence would be most intact.

Missing Evidence and Unanswered Questions

Complicating the investigative record further are reports of physical evidence documented at the scene that did not match Grossman’s vehicle. Items such as a fog light cover and license plate frame were initially logged but later could not be located.

Additionally, surveillance footage from nearby locations reportedly showed multiple vehicles traveling through the area. According to testimony, portions of that footage were not preserved in their original form, limiting its long-term evidentiary value.

These gaps—missing items, delayed vehicle inspection, and incomplete video preservation—have raised ongoing questions about whether all available evidence was fully examined.

Vehicle Identification and Inconsistencies

Further complexity arises from discrepancies regarding which vehicle Erickson was driving that night. Records indicate he owned two similar SUVs and initially identified one as the vehicle in use. Subsequent information suggested a different vehicle may have been involved.

Such inconsistencies matter in collision investigations, where matching physical evidence to specific vehicles is essential for determining impact points and sequence.

Yet by the time these questions were more fully explored, the opportunity for immediate forensic analysis had passed.

Alcohol, Perception, and Uneven Scrutiny

Testimony also indicates that Erickson had been drinking earlier in the day, including shortly before the crash. Despite this, his level of impairment was not formally assessed that night.

By contrast, public narrative surrounding Rebecca Grossman frequently emphasized allegations of intoxication, even though she was not charged with driving under the influence and recorded breath tests were reportedly below the legal limit.

This divergence between evidentiary record and public perception highlights a recurring theme in the case: the difference between what was emphasized and what was examined.

A Narrowed Investigation

As the investigation progressed, its focus remained fixed on Grossman. The possibility of multiple vehicles—raised by witnesses, early reports, and certain physical evidence—was not developed into a central line of inquiry.

Whether that narrowing was the result of early assumptions, resource constraints, or other factors remains a matter of debate. What is clear is that once the investigative lens tightened, alternative explanations received limited attention.

Why This Matters

The Rebecca Grossman case is, first and foremost, about a profound and irreversible tragedy. Two young lives were lost, and the impact of that loss cannot be overstated.

But it is also a case that raises broader questions about investigative process.

When multiple witnesses describe more than one impact, when evidence suggests the presence of more than one vehicle, and when a second driver is identified but not immediately examined, those questions become part of the record.

They do not determine guilt or innocence on their own. But they shape whether the investigation was as complete and impartial as the justice system requires.

An Ongoing Conversation

As civil litigation continues and additional testimony becomes part of the public record, the understanding of what occurred on Triunfo Canyon Road may continue to evolve.

For Rebecca Grossman, those details remain central to ongoing legal proceedings, including appellate review. For the broader public, they serve as a reminder that early narratives—especially in high-profile cases—are not always comprehensive.

And in a system built on evidence, not assumption, completeness matters.