On April 13, 2026, in Tucson, Arizona, 32-year-old Martine Mayorquin allegedly strangled her 28-year-old domestic partner, Katlynne Roy, to death in front of their three young children at their home. The cause of death was asphyxiation by strangulation. Martine Mayorquin was arrested and charged with first-degree murder and three counts of child abuse. The case remains pending.
Country: United States
State/Province: Arizona, United States
City/Region: Tucson
Incident Type: Domestic Violence Homicide
Relationship Status: Live-in relationship
Relationship Duration:
Incident Date: April 13, 2026
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How the relationship or connection began.
Important relationship phases recorded for this case.
Reported red flags or early concern points.
Contributing factors and possible motives from the available sources.
2026-04-13
Recorded relationship or case outcome.
English labels are shown first. Original-language titles are preserved for source verification.
Original language: English
April has been violent, deadly month in southern Arizona so far
Domestic Violence
The homicide occurred within a domestic violence context involving a live-in romantic partnership. The killing by strangulation in front of children indicates severe escalation of domestic conflict and control issues. The presence of child abuse charges highlights the broader family impact.
Martine Mayorquin was arrested on one count of first-degree murder and three counts of child abuse. The Tucson Police Department is handling the investigation. The case status is pending with no further details on motive or prior incidents publicly available.
No reported confusion or conflicting claims regarding suspect identity or incident circumstances.
On April 13, 2026, Martine Mayorquin strangled Katlynne Roy at their home in Tucson in front of their three children. Police responded and arrested Mayorquin. The cause of death was asphyxiation by strangulation. Charges include first-degree murder and child abuse. The timeline and evidence are consistent with a domestic violence homicide.
High risk due to escalation to lethal violence, presence of children during the incident, and charges of child abuse. The case underscores the dangers of unresolved domestic conflict in live-in relationships.
Domestic violence can escalate rapidly to lethal outcomes, especially in live-in relationships with children present. Early intervention and monitoring of escalating conflict and threats are critical. Child safety is a major concern in domestic violence cases.
Reported escalation of domestic conflict and threats prior to the homicide were key early signals.
The presence of children during the incident and the method of strangulation helped connect the case to domestic violence patterns.
Police arrest and charges, cause of death by strangulation, and witness presence of children were strongest evidence types.
Not reported.
No follow-up reports available to indicate changes in case understanding.
Relationship duration and detailed motive remain unclear.