A New Mexico dad fatally shot his longtime partner before turning the gun on himself over the weekend — while their five children were inside the house.

Las Cruces police officers dispatched to the family’s residence around 8:30 a.m. Saturday discovered the bodies of Angelica Aguirre, 30, and her boyfriend, Shane Perez, 46, authorities said.

Cops confirmed the incident was a murder-suicide, determining Perez gunned down Aguirre before taking his own life.

The couple’s five children, aged 3 to 14, were all inside the home at the time of the shooting.

None of the children were physically harmed.

Authorities have not released a potential motive in the case.

The shock violence stood in stark contrast to Aguirre’s social media feed, where she routinely shared photos of family outings and loving posts about Perez.

Last November, she reposted a message on Facebook thanking Perez for “all that you do for the family.”

If you or someone you know is affected by any of the issues raised in this story, call the National Suicide Prevention Lifeline at 800-273-TALK (8255) or text Crisis Text Line at 741741.

If you are struggling with suicidal thoughts, you can dial the 24/7 National Suicide Prevention Hotline at 988 or go to SuicidePreventionLifeline.org.