THE QAnon obsessed dad who allegedly killed his two children with a spear gun may have been a believer of the "lizard people" conspiracy theory.
, 40, was of his two-year-old son and his 10-month-old daughter last month.
According to court documents, the dad took his two children to Rosarito, Mexico, and as "he believed his children were going to grow into monsters so he had to kill them."
After being detained the 40-year-old told an FBI agent that "he was enlightened by and Illuminati conspiracy theories and was receiving visions and signs revealing that his wife, 'AC,' possessed serpent DNA and passed it on to his children," the affidavit said.
Coleman appeared on Thursday in Los Angeles federal court where he answered questions from the magistrate judge and stated he understood the charges against him, reports .
“Under the right circumstances, these conspiracy theories can motivate people to violence,” said Matthew Brown, an associate director with the San Diego Anti-Defamation League.
“One would not be able to adhere to such an outlandish conspiracy theory without also having some sort of delusion or mental illness,” he added.
Brown said the idea of serpent DNA is connected to the "lizard people" conspiracy, a theory that sees reptilian humanoids invading the planet and controlling the earth by posing as humans.
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Brown continued: "This reptilian, lizard people conspiracy theory – like QAnon and other outlandish conspiracy theories – is all about rationalization and justification as to why somebody took this extreme action."
Coleman, 40, who owns a surfing school in was detained after his wife reported him missing to Santa Barbara police in early August.
The dad and the children were seen in video footage leaving from a Rosarito hotel but he later returned alone and was detained later that day.
A farm worker found the children's bodies on Monday at a ranch near Rosarito in Baja California, authorities have said.
Coleman had three months before their deaths.
According to the affidavit, Coleman admitted that he knew killing his kids was wrong, but it was "the only course of action that would save the world."
And now the dad might even .
The Department of Justice said last week: "The indictment filed today charges Coleman with two counts of foreign first-degree murder of United States nationals.
"By law, the charges are eligible for the death penalty. The Attorney General will decide whether to seek the death penalty at a later date."
Coleman soon will be transferred to San Diego, where his prosecution will continue in federal court downtown.
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