William Quince Colburn III, 15, murdered his father William Jr., 63, his mother Jana, who was celebrating her 53rd birthday, and Emma, ​​13, in what police described as a triple murder-suicide, The sun reports.

He also posted photos of his deceased relatives on social media and threatened to attack a school, police said.

Police had rushed to the family’s RV home at the Aransas Oaks RV Resort on S. Commercial Drive in Ingleside, Texas, around 11 p.m. Wednesday night.

“The police heard a single gunshot and the thud of a person falling to the ground,” the Texas Aransas Pass Police Department said.

The declaration continued: “The entry was made in the motorhome and immediately discovered the graphic scene shared on social media.”

RV SLAUGHTER

At the entrance after the lone gunshot, officers and deputies found the family, dogs and the teenager, all dead.

William had also “transmitted graphic images of deceased people whom he identified as his family whom he had killed” on a social media platform.

Police confirmed that William further “threatened to continue violence at an area school” Thursday morning.

The homeschooled teenager did not specify which school he planned to target, according to the Corpus Christi Caller-Times.

‘MOURNING ALL FOUR’

Jana’s eldest daughter, Mahria Martin Batts, has launched a crowdfunding page as relatives mourn the loss of the family.

“This morning we all woke up delighted to wish our mother a happy 53rd birthday,” reads the GoFundMe which raised over $ 13,000.

“Instead, we were devastated by news that deeply shattered us. “

The family said they were unable to explain how this happened.

“We are injured,” they continued.

“We don’t understand. We are lost. We are angry.

“We ask you to please understand that no matter what happened, the four of us are still crying.”

The local school district shared its support for the loss and confirmed William was not an enrolled student.

“The individual in this case was not registered with APISD and the APPD believes that there is no threat to any of our campuses,” Aransas Pass ISD said in a statement.

He added, “Our hearts go out to the family who suffered the tragic loss of several family members in our community late in the evening.”

The case still stunned the local authorities.

San Patricio County Sheriff Oscar Rivera has explained how perplexed he and his colleagues are.

“Our investigation continues into this sad tragedy and of course we have so many unanswered questions that we are trying to find answers,” he wrote after posting the names of the four people who were massacred at the campsite -because.

This article originally appeared on The sun and has been reproduced with permission