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JOHNSTOWN, Pa. — Police in Pennsylvania have a warning about candy ahead of Halloween.

Officers in Johnstown found candy that looks like nerd ropes but was laced with 400-milligrams of THC, the psychoactive chemical found in marijuana.

They were found during a raid in Stoney Creek Township.

Investigators are warning parents to double-check their kids’ candy this season.

Drug-laced edibles have become very popular and many are packaged to look very similar to regular candy.