OSINT Case File

Psychological & Behavioral Intelligence

Jennifer Sue Marsaw and Marzai Andrew Dawson Allegedly Murdered by Irving Van Marsaw, Circle Pines, Minnesota, United States

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Human-reviewed analysis

Psychological & Behavioral Intelligence

This source-based behavioral analysis does not establish a clinical diagnosis, motive, or legal finding.

Case Overview

This case involves a fatal domestic violence incident marked by a history of assault, threats, and legal interventions. The relationship dynamics reveal escalating conflict, coercive control, and lethal aggression culminating in homicide.

Relationship Dynamics

The estranged partners had a history of domestic violence, including physical assault and threats. Jennifer sought legal protection through restraining orders, which were later dismissed. The suspect exhibited controlling and threatening behavior, contributing to a high-conflict and dangerous relationship environment.

Escalation Summary

The pathway to homicide involved prior assaults, threats, legal restraining orders, recent separation, and access to firearms. The escalation culminated in a shooting incident following a confrontation, consistent with patterns of domestic violence escalation.

Observed Patterns and Case-Specific Context

Each entry separates the reported behavior or state from the analytical strength of the available narration.

Behavior / construct	Person / subject	Detailed case context	Evidence
Prior interpersonal violence Prior violence	Irving Van Marsaw Suspect	The child witness and court records indicate Irving assaulted Jennifer as recently as March 3, 2026, and made repeated threats to harm her and her children, establishing a pattern of prior violence. Context or trigger: History of assaulting Jennifer Marsaw and making threats Reported expression: Reported physical assaults and death threats	Explicitly reported Confidence: High
Coercive control Control dynamics	Irving Van Marsaw Suspect	Jennifer's restraining order petitions describe Irving's coercive control tactics including threats to cut off financial support and entering her home without permission. Context or trigger: Threats to cut off support and unauthorized home entry Reported expression: Demands, threats, and forced entry reported in restraining orders	Explicitly reported Confidence: High
Fear or perceived threat Emotional state	Jennifer Sue Marsaw VictimWife of the offender	Jennifer's actions to seek legal protection indicate a perception of threat to her and her children's safety from Irving's behavior. Context or trigger: Threats to kill and harassment by Irving Reported expression: Filing of restraining orders and attempts to protect herself and children	Explicitly reported Confidence: High
Help-seeking or disclosure Coping response	Jennifer Sue Marsaw VictimWife of the offender	Jennifer sought help through the legal system by filing restraining orders to protect herself and her children from Irving's threats and violence. Context or trigger: Filing restraining orders and reporting threats Reported expression: Legal petitions and court involvement	Explicitly reported Confidence: High

Behavioral Escalation Pathway

Select a stage to expand it; scroll horizontally to follow the full sequence.

Narrative sequence

1 Prior abuse and threats Irving Van Marsaw Suspect Prior interpersonal violence Explicitly reported

Irving had a documented history of assaulting Jennifer and making death threats against her and her children, establishing a pattern of domestic violence.