Police Searching for Missing Fullerton Teen After 3 Adults Found Dead in Home

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Police in Fullerton were searching for a 17-year-old teen who has been missing since three adults were found dead inside her home.

Katlynn Goodwill Yost, 17, has not been seen since police received a call from a child saying her parents had "died," the Fullerton Police Department reported. Two men and a woman were found dead inside the home about 8:21 a.m. Saturday in the 400 block of South Gilbert Street.

"Katlynn is now being listed as a missing person, at risk," Fullerton Police Sgt. Jon Radus said.

Katlynn Yost is shown in an undated family photo released Sept. 24, 2016 by the Fullerton Police Department.

Katlynn Yost is shown in an undated family photo released Sept. 24, 2016 by the Fullerton Police Department. in the 400 block of South Gilbert Street. Upon entering the home police found all three adults dead.

Police located another child in the home in addition to girl who called. Both children were unharmed.

The deaths were not the result of a murder-suicide, Radus said, but the victims suffered significant trauma. Investigators believe the house was targeted and the public is not at risk, he said.

Katlynn is not a suspect and they are concerned for her welfare, police said.

The missing teen was described as white, with strawberry blonde hair and dark-colored eyes, weighing around 150 pounds and measuring about 5 feet, 6 inches tall.

Investigators said they were on the scene for more than 13 hours hours Saturday but did not find a weapon. Authorities have yet to disclose a cause of death, the names of the deceased or any information regarding a motive.

The investigation is currently ongoing. Anyone with information is asked to call Detective Coffman at 714-738-5361 or Sgt. Rowe at 714-738-6776.

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