Three younger sisters who went lacking whereas visiting their dad had been discovered murdered in Washington state — and now we all know how they had been apparently killed, as police seek for their dad.

Paityn Decker, 9, Evelyn Decker, 8, and Olivia Decker, 5, possible died by asphyxiation, based on court docket paperwork, obtained by Fox 13 Seattle.

Police say the our bodies of the sisters had been found Monday after detectives traced the whereabouts of their father’s GMC Sierra pickup truck to an space close to some campgrounds in Chelan County, WA.

Cops say the woman’s father, Travis Decker, has vanished and investigators have now launched a large manhunt to seek out him.

What’s extra, Decker has been charged with critical crimes in reference to the deaths, particularly three counts of first-degree homicide and one depend of kidnapping, based on police.

Per Fox 13 Seattle … Decker’s pickup truck was smeared with two bloody handprints near the place the three corpses had been discovered.

The outlet reported blankets, meals and automobile seats had been positioned contained in the car together with a pockets “on the middle console.” A tent and cooler had been additionally reportedly found close by.