Victim of fatal stabbing on Bench Blvd. in Billings ID'd (2024)

UPDATE: July 2 at 4:30 p.m.

CONTENT WARNING: Graphic details of violence and injury from charging documents may be disturbing to read.

More information was released regarding the fatal stabbing that happened at a mobile home on Bench Boulevard in Billings on Friday, June 28.

Charging documents said dispatch received a call from a girl telling them her uncle was stabbing her grandmother. The girl had left the home when she made the call.

A Yellowstone County Sheriff's deputy was the first to respond to the report and heard a woman inside screaming for help. He requested a ram be brought to the home to get inside.

Charging documents said the suspect, identified as Robert Fermain Mascarena, told the deputy he had a knife and a handgun, and the deputy tried to kick in the door to get in the home.

The affidavit then says the suspect allegedly "made some motions" and the deputy shot through the door.

A YCSO deputy spoke with the girl who made the report and was now standing in the street. Charging documents said she confirmed her uncle, Mascarena, was inside with a knife and handgun and her grandma was also inside.

Charging documents said the girl said she saw her uncle stab her grandma, identified as Patricia Mascarena, multiple times. The girl said, according to charging documents, the suspect had told her that after he was done stabbing her grandma, she was next.

At that point, the affidavit says an officer heard a possible "active disturbance" and tried to get into the home again, first by kicking and then with a ram. Once they got in, they saw the victim on the floor of the living room badly injured.

Charging documents said officers were able to determine that Mascarena was barricading himself in a bedroom.

Outside the home, officers allegedly saw the suspect escaping from the house through a window with blood all over his body. He was ordered to get on the ground and complied.

Charging documents said Mascarena was telling officers to shoot him while he was on the ground, said he was going to hell, and said, "I did what I did."

Mascarena also told officers he was shot, and officers saw a grazing injury on his abdomen. He received medical treatment at the scene and was brought to a hospital by ambulance.

Medical responders tried to give Patricia life-saving care, but she was declared dead at the scene. Charging documents said she had multiple deep punctures and laceration injuries to her neck.

Detectives found knives inside the home consistent with the victim's injuries.

UPDATE: July 2 at 10:52 a.m.

The victim of the fatal stabbing on Bench Boulevard in Billings Friday, June 28 has been identified as 55-year-old Patricia Mascarena from Billings, according to the Yellowstone County Sheriff's Office (YCSO).

Her cause of death was determined to be frommultiple sharp force injuries, and the manner was ruled a homicide.

YCSO said in a release a YCSO Deputy Deputy Kevin Stahlbergwas the first to arrive at the scene and shot and wounded the suspect.

Deputy Stahlberg has been put on temporary administrative leave pending an internal investigation of the incident, per standard protocol.

The Billings Police Department is investigating the incident.

BILLINGS, Mont. - Billings Police Department (BPD) report responding to an active stabbing incident at a home residence on Bench Boulevard Friday, June 28.

A suspect was arrested after officers were able to enter the barricaded home. The suspect was shot by a Yellowstone County Sheriff's Office (YCSO) deputyduring entry, but it did not cause fatal injury.

Inside, BPD located a woman who was rendered aid but was pronounced dead at the scene.

According to BPD, on June 28, 2024 at 9:34 pm, BPD and YCSO responded to a home in the 800 block of Bench Blvd for reports of an active stabbing.

YCSO deputies arrived on scene first and reported they could hear a disturbance inside the home and attempted to make entry. During entry, a YCSO deputy fired at the suspect, but the suspect was not fatally wounded.

Reinforcement BPD Officers and YCSO Deputies began to arrive on scene and the suspect originally attempted to barricade himself inside a room before trying to escape outside through a window. However, BPD Officers outside the home were able to then take the suspect into custody.

Inside the home, BPD officers located a 55-year-old woman who had been injured. Officers attempted to provide medical aid, but she was pronounced dead at the scene.

The victim's identity has not been released at this time.

The suspect was identified as 38-year-old Robert Mascarena. He was arrested on charge of deliberate homicide and was taken into custody at the Yellowstone County Detention Facility.

BPD expressed their thanks to YCSO, Billings Fire Department, and AMR for their help in responding to the scene and in the following investigation.

As of time of writing, YCSO has not yet publicly released their own statement on the deputy-involved shooting.

More information was released regarding the fatal stabbing that happened at a mobile home on Bench Boulevard in BillingsonFriday, June 28.

Charging documents saiddispatchreceived a call from a girltelling themher uncle was stabbing her grandmother. The girlhadleft the home when she made the call.

A Yellowstone County Sheriff's deputy was the first to respond to the reportand heard a woman insidescreaming for help.Herequested a ram be brought to the home to get inside.

Charging documents said the suspect, identified as Robert Fermain Mascarena, told the deputy he had a knife and a handgun, and the deputy tried to kick in the door to get in the home.

Theaffidavit then saysthe suspect allegedly "made some motions" and the deputy shot through the door.

A YCSO deputy spoke with the girlwho made the report and was now standing in the street. Charging documents said sheconfirmedher uncle,Mascarena, was inside with a knife and handgun and her grandma was also inside.

Charging documents said the girl said she saw her uncle stab her grandma, identified asPatricia Mascarena, multiple times. The girl said, according to charging documents,the suspect hadtold herthatafter hewasdone stabbing her grandma, shewasnext.

At that point, the affidavit says an officer heard a possible "active disturbance" and triedto get into the home again,first by kicking and then with a ram.Once they got in, they saw the victim on the floor of the living room badly injured.

Charging documents saidofficers were able to determine thatMascarena was barricading himself in a bedroom.

Outside the home,officers allegedlysawthe suspectescaping from the housethrough a window with blood all over his body.He was ordered to get on the ground and complied.

Charging documents saidMascarenawas telling officers to shoot him while he was on the ground, said he was going to hell, and said, "I did what I did."

Mascarenaalso told officers he was shot, and officers saw a grazing injury on his abdomen. He received medical treatment at the scene and was brought to ahospitalby ambulance.

Medical responders tried to give Patricia life-saving care, but she was declared dead at the scene. Charging documents said she had multiple deeppuncturesand laceration injuries to her neck.

Detectives found knives inside the home consistentwiththe victim's injuries.

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Victim of fatal stabbing on Bench Blvd. in Billings ID'd (2024)
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