Cambridge Driver Faces Charges in Fatal Crash
A 41-year-old woman is being held without bail after a collision resulted in the death of 51-year-old Susana Casillo.
Updated on Oct. 21, 2026 in Crime — General
Sosa Samura faces nine charges, including motor vehicle homicide and OUI, following a fatal crash that occurred in Cambridge. The 51-year-old victim, Susana Casillo, was declared dead at Massachusetts General Hospital following the incident.
Why it matters
The case highlights the severe legal consequences of driving under the influence and the subsequent judicial process for defendants accused of vehicular homicide. A judge has ordered Samura held without bail pending a formal assessment of dangerousness.
Sosa Samura faces nine charges and is currently being held without bail. A dangerousness hearing is scheduled for Oct. 27 to determine her continued detention status.
The players
Sosa Samura
She is a 41-year-old individual currently facing nine criminal charges in connection with a fatal motor vehicle incident.
Susana Casillo
The 51-year-old victim of the crash died after being transported to Massachusetts General Hospital.
The details
Authorities allege that Samura backed her vehicle into another car on Main Street before driving the wrong way down Market Street and colliding with Casillo at the intersection of Columbia Street. Officers at the scene observed signs of intoxication, including slurred speech and glassy eyes.
Timeline
The crash occurred at approximately 11:40 p.m. on Oct. 15.
Samura pleaded not guilty at her arraignment on Oct. 19.
Court documents are expected to be released to the public on Oct. 26.
A dangerousness hearing is set for Oct. 27.
Legal Context
This case follows the established prosecution patterns under Massachusetts motor vehicle homicide laws. Such proceedings reflect the state's rigorous approach to handling fatal collisions involving alleged impairment.
Residents in the area may encounter ongoing investigations or heightened police presence near the incident sites. Public access to official court documents regarding the case is expected to begin on Oct. 26.
The takeaway
Drivers are reminded of the critical importance of road safety and the severe legal ramifications of operating a vehicle while impaired. Understanding court procedures can help the public follow the development of local justice matters.
What happens next
A dangerousness hearing for Sosa Samura is scheduled to take place on Oct. 27.
Further reading
For more information on local legal updates, visit the Cambridge Crime — General section.
