A St. Paul man has admitted guilt in the Highway 36 crash that killed 5-year-old Morgan Rae Petersen, bringing a long-running Lake Elmo case a step closer to sentencing.
On June 9, 2026, in Washington County District Court, 49-year-old Jeffrey Dean Alexander Jr. pleaded guilty to criminal vehicular homicide for the Jan. 20, 2024 rear-end crash on eastbound Highway 36 in Lake Elmo. The plea moves the case toward a sentencing hearing set for Sept. 10, 2026. Family members were in the courtroom as the judge accepted the plea.
Alexander changed his plea to guilty as part of an agreement that calls for several related counts to be dismissed at sentencing. Prosecutors said the deal resolves the most serious charge he faced, according to the Pioneer Press.
Crash scene and official record
The crash happened shortly before 8:50 p.m. on Jan. 20, 2024, when a 2006 Ford Focus stalled in the left lane of eastbound Highway 36 at Lake Elmo Avenue and was hit from behind. Inside the Focus were Christopher Petersen and his two children. Five-year-old Morgan Rae Petersen was taken to Regions Hospital, where she was later pronounced dead. The other occupants suffered injuries described as non life threatening.
The Minnesota State Patrol’s public incident record lists the location as eastbound Highway 36 at Lake Elmo Avenue and notes that the stalled car’s hazard lights were on, according to the Minnesota State Patrol.
What investigators say about speed and impairment
According to crash reconstruction by state troopers and the criminal complaint, Alexander’s 2013 Nissan Pathfinder was traveling about 81 mph five seconds before impact and about 62 to 63 mph when it struck the stalled Ford Focus.
Troopers at the scene reported the smell of alcohol and later obtained a blood sample. Reporting on the criminal complaint states that lab results showed the presence of clonazepam and a blood alcohol concentration of 0.056% nearly two hours after the crash, details cited in coverage by FOX 9.
Family reaction
In public statements and fundraiser posts, family members have described Morgan as energetic and full of life and have been open about their grief since her death.
Morgan’s father, Chris Petersen, attended court this week. He told reporters that no sentence can bring his daughter back, according to reporting by CBS Minnesota.
Legal implications
Under the plea agreement, Alexander admitted to the criminal vehicular homicide count tied to impairment. In return, prosecutors agreed that several related criminal operation counts will be dismissed at sentencing, according to court records.
His attorney, Kenneth Udoibok, told reporters he plans to ask the judge for a sentence that departs from the standard guidelines and said the defense had been prepared to take the case to trial, the Pioneer Press reported.
The felony counts each carry a statutory maximum of up to 10 years in prison and fines. Local reporting and court filings indicate that, once aggravating and mitigating factors are weighed, the recommended guideline range falls in the low years.
Highway 36 safety context
Highway 36 has been the scene of other fatal and high-speed crashes in recent years. Prosecutors and traffic safety advocates have pointed to prior distracted driving and speeding cases to emphasize the dangers on the corridor.
Coverage of earlier Lake Elmo crashes and guilty pleas has highlighted that pattern on the busy east metro route, including reporting from the Star Tribune.
Sentencing in Alexander’s case is scheduled for Sept. 10, 2026, at the Washington County Government Center in Stillwater. The county lists court locations and business hours on its official website. Observers say the judge’s decision on any sentencing departure request will determine whether Alexander receives a term within the guidelines or a significantly different sentence.
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