Oakland County Sheriff Michael Bouchard is warning Chilean gangs are again robbing and terrorizing wealthy homeowners with high precision effectiveness.

“They are super well-trained when they get here, highly organized. They look like ninjas, they’re all masked up, gloves; they each have a backpack with their particular set of tools for their job in the burglary,” Bouchard told Fox 2.

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The sheriff said the gangs — which have been terrorizing Americans for years — gained access to the country through a Visa Waiver Program.

“All of the intelligence estimates — just from Chile — we have 100-plus teams in operation right now in America — teams of four to six,” Bouchard told the news station.

“What we encourage Washington to do, is stop the Visa Waiver Program right now for Chile. That doesn’t mean they can’t visit but they just have to get a regular Visa which comes with a little more scrutiny.”

Bouchard first sounded the alarm last December, when as many as 40 burglaries had taken place in the county in just a few months.

Crimes by Chilean gangs are gripping Scottsdale, Arizona, as well.

Calling them “the dinnertime thieves” and “tourist burglars,” Scottsdale Police Chief Jeff Walther said earlier this month that 131 robberies have taken place in the area.

“We moved here seven years ago from New York City – and we don’t feel safe now,” one DC Ranch homeowner said, according to Ahwatukee Foothills News. “I sleep with my gun next to me now.

“Do we need to move again?” he wondered.

In December, “a Chilean national who was in possession of false identification from Venezuela at the time of his arrest” was apprehended in Montgomery County, Pennsylvania, NBC 10 reported.

That man was 25-year-old Claudeo Alexander Fuentez-Soto, who was arrested along with Alvaro Javier Ganin Ganin, 36, Jorge Fabrizeo Sepulveda Alvarez, 34, Vaster Miller Guajardo Pedrero, 31, Nicolas Andres Matus Lucero, 29, are from Chile and were caught “in possession of fraudulent identification cards or no identification at all”.

They were caught with “numerous burglary tools, which included masks, gloves, flashlights, pry bars, reciprocating saw, and a glass break tool,” along with “photos and GPS navigational directions to specific homes and locations”.

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Last June, members of Congress from Orange County, California called on Chile to do something about the large amount of Chileans coming to America to steal:

“Chile is not requiring to the requirements of the Visa Waiver Program,” U.S. Rep. Mike Levin told Fox 11, because it is not sharing information with the United States.