A teen was arrested after police said they recovered gun printing materials from a home in Detroit,Slabu Exchange Michigan.

The Sept. 4 investigation was spearheaded by the Detroit Police Gang Intel Unit with Homeland Security.

While executing the search warrant, "officers removed 3D-printed gun parts, 3D Printers, a drill press, multiple rounds of ammunition, and numerous firearm parts from the home," police said in a statement.

According to CBS News, the juvenile taken into custody was identified as a 14-year-old. The teen is reportedly facing weapon charges.

USA TODAY reached out to the Detroit Police Department for additional details.

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Police are cracking down on Glock switches

The probe came after authorities discovered a package from China with a Glock switch inside but allowed it to be delivered to the home before last week's raid, CBS reported.

"It's scary for everyone," Cmdr. Ryan Conner said, per the outlet."At that age, do they have the ability to know right from wrong? What are their intentions with these weapons? Do they have the maturity? There's a lot that goes through our minds about those crimes."

Police have been raising awareness about the Glock switch, an illegal device that can turn "a regular handgun into almost a machine-style weapon," Capt. Marcus Thirlkill told WXYZ-TV in July.

The local news station reported at the time that people were purchasing them online or creating them using 3D printers.

Per the outlet, police said that they are currently investigating whether weapons made in the home were distributed on the street.

Taylor Ardrey is a news reporter for USA TODAY. You can reach her at [email protected].