(L-R) Gavin Rivers Weisenburg and Tanner Christopher Thomas

Two twisted young Texans allegedly planned to invade a small Haitian island with an army of homeless people in a sick plot to kill all the local men so they could enslave the women and kids as “their sex slaves,” according to US federal prosecutors.

Gavin Rivers Weisenburg, 21, and Tanner Christopher Thomas, 20, were indicted for conspiracy to murder, maim or kidnap in a foreign country “for the purpose of carrying out their rape fantasies,”  US federal prosecutors announced. One attorney described the charges as "the craziest thing I have ever heard."

The two were also charged with production of child pornography over allegations they persuaded a minor to engage in sexually explicit conduct.

The accused paedophiles “planned to purchase a sailboat, firearms, and ammunition, then recruit members of the [Washington, DC] homeless population to serve as a mercenary force as they invade Gonave Island and stage a coup d’etat,” the US Attorney’s Office for the Eastern District of Texas said of the island of about 100,000 people.

The men face up to 30 years in prison if convicted on the child pornography charge and up to life in prison if convicted on the conspiracy charge.

Attorneys for both men said they would enter not guilty pleas.

“They never tried to do any of this,” said John Helms, who is Thomas’ attorney.

An indictment filed in a Texas federal court accuses the men of planning to recruit the homeless to join their coup in Haiti, buy a sailboat and seize power on Gonave Island, which has about 87,000 residents. It covers roughly 290 square miles (751 square kilometres) square miles and is the largest island surrounding Hispaniola.

Helms said that while he has not yet seen the government’s evidence, he thinks prosecutors “are going to have a real hard time” trying to prove that Weisenburg and Thomas actually intended to carry out such a plot.