2 men arrested, teen girl detained in connection with Fullerton slayings

- Police said Sunday they have arrested two men and detained a 17-year-old girl in connection with the killings of a husband and wife and another man found dead in a Fullerton home.

Josh Acosta, 21, of Fort Irwin, and Frank Felix, 25, of Sun Valley, were in custody and in the process of being booked at Fullerton City Jail, Fullerton Police Sgt. Jon Radus said.

Police also have located Katlynn Goodwill Yost, the 17-year-old daughter of the deceased couple, who went missing after the killings, Radus said.

At about 8:21 a.m. Saturday, police dispatch received a call from a child ``indicating that her parents had died,'' Radus said.

Officers responding to a home in the 400 block of South Gilbert Street in Fullerton and found two men and a woman dead inside. They also located two children inside the home unharmed, Radus said.

Police identified the victims as Christopher Yost, 34, Jennifer Goodwill Yost, 39, and Arthur William Boucher, 28.

Detectives determined the deceased couple's 17-year-old daughter, Katlynn, also lived in the home and police spent the day looking for her, Radus said.

He said today Katylnn has been located unharmed.

Detectives asked anyone with any information regarding the deaths to call the Fullerton Police Department at (714) 738-5361. Anonymous tips can be made on the Orange County Crime Stoppers line at (855) 847-6227 (TIP-OCCS) or at www.occrimestoppers.org.

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