Disturbing new details are emerging following the murder-suicide that left two young children orphaned outside a home in Tucson, with investigative sources now indicating the children may have witnessed the horrifying violence involving both of their parents.

According to reports connected to the investigation, authorities believe Brian Schnurr allegedly shot his ex-wife, 36-year-old Mikaela Durfey, shortly after placing the children inside a vehicle during a custody-related exchange outside the residence.

Investigators now fear the children may have directly witnessed their father fatally shoot their mother before the suspect fled the scene with them still inside the vehicle.

Police say Schnurr later died from a self-inflicted gunshot wound following the incident.

The devastating sequence of events has shocked the Arizona community and intensified national attention surrounding the tragedy because of the severe psychological trauma the surviving children may now face.

Authorities have not officially confirmed every detail surrounding the children’s presence during the shooting, but law enforcement sources reportedly indicated investigators are carefully reconstructing the exact timeline of events leading up to the deadly confrontation.

According to the Marana Police Department, officers responded Monday evening to reports of gunfire outside the Tucson-area residence where they discovered Mikaela Durfey suffering from fatal gunshot wounds.

Emergency responders attempted life-saving efforts at the scene, but the licensed professional counselor was pronounced dead shortly afterward.

The case has since generated enormous emotional reaction online as community members struggle to comprehend the possibility that the children witnessed the violence firsthand.

Child trauma experts warn that exposure to extreme domestic violence can leave lasting emotional and psychological consequences for surviving children, especially when both parents are lost in the same event.

Many social media users described the newly emerging details as “absolutely heartbreaking” and “every child’s worst nightmare.”

Others expressed grief over the fact that the children may forever remember the final moments involving both of their parents through violence and chaos.

Friends and relatives have continued honoring Mikaela Durfey online, describing her as compassionate, intelligent, caring, and deeply devoted to helping others through her work as a counselor.

Several posts also highlighted the devastating reality that the children now face life without either parent after the murder-suicide unfolded outside their own home.

Meanwhile, investigators continue reviewing witness statements, vehicle evidence, communications records, and prior history connected to the relationship while attempting to establish the complete sequence of events.

Authorities have not publicly discussed possible motives or whether there had been previous reports of domestic conflict before the shooting.

Domestic violence advocacy groups say murder-suicide incidents involving former partners often escalate rapidly during emotionally charged custody exchanges or separation disputes.

Experts also warn that children present during these incidents frequently experience long-term trauma requiring extensive emotional and psychological support afterward.

Community support efforts and fundraising campaigns are reportedly beginning to emerge to help care for the orphaned children as relatives and loved ones attempt to navigate the devastating aftermath of the tragedy.

For many following the heartbreaking case, however, the most horrifying detail remains the possibility that the children witnessed the entire attack unfold in front of them.

Within seconds during what should have been a routine family exchange outside an Arizona home, two young children may have watched their father kill their mother — before losing both parents forever in the violence that followed.