Sioux City Shooting Today: Three Dead in Reported Murder-Suicide, Police Investigation Underway

SIOUX CITY, IA — Three people are dead following a shooting at a Sioux City residence Saturday morning, September 26, 2026, in what police are investigating as an apparent murder-suicide.

Sioux City police officers responded to a home in the 3100 block of Douglas Street at approximately 8:15 a.m. after receiving a report of a shooting. When officers arrived, they discovered three people suffering from fatal gunshot wounds.

Authorities said the preliminary investigation indicates that one of the deceased was believed to be responsible for the shooting before dying by suicide.

What Happened in the Sioux City Shooting?

According to the information available in the initial investigation, police identified the suspected shooter as Andrew McCauley of Sioux City.

The available report identifies the other victims as Amanda McCauley, who was reportedly Andrew McCauley’s estranged wife, and a third person.

Investigators have not publicly released a detailed account explaining what led to the shooting or identified a confirmed motive. The precise sequence of events remains under investigation.

Because the investigation is ongoing, details about the relationship between those involved and the circumstances preceding the shooting should be treated as preliminary unless confirmed by authorities.

Three People Found Dead

Police confirmed that three people died from gunshot wounds at the Douglas Street location.

The deaths have left family members, friends and others in the Sioux City community grieving.

Authorities are continuing the process of formally documenting the identities and circumstances surrounding the deaths as the investigation proceeds.

Investigation Into the Sioux City Shooting

Investigators are examining the crime scene and collecting evidence to establish what happened before and during the shooting.

The investigation includes determining the sequence of events, examining evidence recovered at the residence and completing other procedures required in a multiple-fatality shooting investigation.

Police have not indicated that another unidentified shooter remains at large.

Officials said there was no ongoing threat to the public connected to the incident.

Family and Community Grieve

The reported deaths of an estranged couple and a third person have left loved ones facing a devastating loss.

Information available for this report indicates that Andrew and Amanda McCauley were parents of two children. Their reported deaths therefore leave a family and wider circle of loved ones coping with the consequences of the tragedy.

Authorities have not publicly detailed the history of the relationship or established a motive.

Domestic Violence Resources

The circumstances reported in the case underscore the potential dangers that can accompany domestic violence and relationship separation. However, investigators have not publicly established a history of domestic violence in this particular case.

Anyone experiencing domestic violence in the United States can contact the National Domestic Violence Hotline at 800-799-SAFE (7233) or text START to 88788. In an immediate emergency, call 911.

Latest Update

The Sioux City shooting remains under investigation after three people were found dead Saturday morning.

Police have identified one of the deceased as the suspected shooter and have indicated that there is no ongoing public threat related to the incident. Additional information is expected as investigators complete their work and notify family members.

Disclaimer: This article is based on preliminary information available about the September 26, 2026, shooting. Details surrounding the deaths, identities, relationship between those involved and circumstances of the incident may change as authorities release additional information. Allegations or preliminary investigative findings should not be treated as established facts beyond what officials have confirmed.