GRANTSVILLE, Utah (KUTV) UPDATE: (Sunday, Jan, 19, 2020) – The gun has been recovered that officials believe was used in the attack, according to Grantsville Police. It was found in the home but investigators are unsure at this time who the gun belongs to.
GRANTSVILLE, Utah (KUTV) UPDATE: (Saturday, Jan, 18, 2020) — One woman and three children — two boys and one girl — were killed at a Grantsville home on Friday night, 2News has learned. Police have not yet publicly identified the victims, but a suspect is in custody. A fifth person was wounded in the shooting but survived and was in stable condition at last report.
(ORIGINAL REPORT) — Multiple people were found dead inside of a Grantsville home on Friday and police are investigating the case as a homicide.
Four people were killed and one was injured in what is believed to have been a shooting. One person was arrested Friday night, according to Lt. Robert Zager with Grantsville police.
The person believed to be the shooter was not injured.
Police were called to a home on Eastmoor Drive in Grantsville at 7 p.m. Friday night. The home is now a crime scene.
There is no public safety threat and police don't believe there are other suspects.
Police were still working to notify family members of the killings on Friday night, and neither the deceased nor the suspects had been identified as of Saturday morning.
The fifth person believed to have been injured in the shooting, an adult male, was in stable condition at a local hospital on Friday night, according to police.
2News reporter Bronagh Tumulty witnessed a car being towed from the parking lot of Mountain West Medical Center in Tooele on Friday night. The car is believed to have been connected to the homicide investigation.
Govnernor Gary Herbert issued a statement via Twitter about the killings, saying additional information about the investigation would be released by Grantsville and Tooele County authorities as it became available.
"Our hearts are broken by the horrible news coming out Grantsville tonight," Herbert wrote. "We mourn over the loss of innocent lives."
The Utah Department of Public Safety and the State Crime Lab were assisting Grantsville police in their investigation, Herbert stated. He concluded:
"Parents and grandparents, secure your firearms! Everyone, hug your loved ones tight. And remember love, not hate, will heal broken individuals and families."
Editor's note: Since this report was published, 16-year-old Colin Jeffrey "CJ" Haynie was charged with the murders of his mother and siblings and the attempted murder of his father. You can find that report here.