Indicators Most Strongly Associated with Intimate Partner Homicide

Domestic violence rarely begins with lethal violence. More often, it develops through a progressive pattern of coercive control, intimidation, psychological abuse, and escalating physical aggression. Over the past three decades, research has demonstrated that many intimate partner homicides are preceded by recognizable warning signs that emerge long before the homicide itself. Victims frequently disclose these behaviors to domestic violence advocates, law enforcement officers, emergency department personnel, family members, or friends, yet the cumulative significance of these “red flags” may not be fully appreciated until it is too late. Understanding the trajectory from relationship conflict to coercive control and ultimately to lethal violence is essential if professionals are to intervene before irreversible harm occurs.

---

Factors below are particularly powerful predictors of lethal violence:

Highest-Risk Factors	Research Support
Prior non-fatal strangulation	Among the strongest independent predictors of later homicide
Access to firearms	Firearm availability increases the risk of intimate partner homicide several-fold
Separation or attempted separation	Most dangerous period in abusive relationships
Threats to kill	Frequently precede homicide
Offender suicidal ideation	Common in murder-suicide cases
Stalking	Strong predictor of escalating violence
Protective order violations	Demonstrates persistent dangerousness
Coercive control	Central mechanism underlying many intimate partner homicides
Escalating violence	Often precedes lethal assaults
Obsessive jealousy/possessiveness	Common psychological characteristic of lethal offenders

One of the most dangerous turning points occurs when a victim reaches out for help. Ironically, calling the police, seeking a protective order, leaving the relationship, or disclosing abuse to others often represents the period of greatest danger rather than increased safety. Once an abusive partner perceives that control over the victim is being challenged, the risk of retaliatory violence frequently escalates. Victims may suddenly become the focus of threats of death, stalking, obsessive monitoring of their whereabouts and social media, pathological jealousy, forced sexual activity, strangulation, destruction of property, threats involving children or pets, and increasingly erratic or desperate behavior. Researchers have consistently found that separation or the threat of separation is among the strongest predictors of intimate partner homicide (Campbell et al., 2003; Spencer & Stith, 2020).

Key References

Campbell, J. C., Webster, D. W., & Glass, N. (2009). The Danger Assessment: Validation of a lethality risk assessment instrument for intimate partner femicide. Journal of Interpersonal Violence, 24(4), 653–674.

Campbell, J. C., Webster, D., Koziol-McLain, J., et al. (2003). Risk factors for femicide in abusive relationships: Results from a multisite case-control study. American Journal of Public Health, 93(7), 1089–1097.

Hilton, N. Z., Harris, G. T., Rice, M. E., Houghton, R. E., & Eke, A. W. (2008). An in-depth actuarial assessment for wife assault recidivism: The Ontario Domestic Assault Risk Assessment (ODARA). Psychological Assessment, 20(3), 267–275.

Kropp, P. R., Hart, S. D., Webster, C. D., & Eaves, D. (1999). Spousal Assault Risk Assessment (SARA) Guide (2nd ed.). Multi-Health Systems.

Messing, J. T., Campbell, J. C., & Snider, C. (2017). Validation and revision of the Danger Assessment. Violence Against Women, 23(6), 653–669.