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Highway Crash In Carrollton Leads To Stabbing And Strangulation On I-35E

CARROLLTON, Texas (CBSDFW.COM) – A 26-year-old Flower Mound man faces multiple charges of aggravated assault with a deadly weapon after stabbing two people and strangling a third following a crash on I-35E in Carrollton Thursday, March 18, police said.

None of the injuries are believed to be life-threatening.

The incident happened in the express lanes just before 5:00 p.m.

Witnesses said the suspect, later identified as Dillon Stoffregen, got out of his vehicle, was first in a verbal altercation, and then began assaulting other drivers involved in the crash as well as a passerby who stopped to intervene.

Dillon Stoffregen
Dillon Stoffregen mugshot (Source: Carrollton Police Department)

Detectives ask that everyone who recorded either the crash or the assaults that followed contact them at (972) 466-3333 or

The victims are being treated at three different North Texas hospitals.

A fourth man who was injured in the initial crash is also being treated for non-life-threatening injuries.

Stoffregen was also injured during the assault.

He was treated at and released from Parkland Hospital in the overnight hours. He was then transferred to the Dallas County Jail.

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