Police said they searched Sun of a Beach tanning salon on Franklin Avenue on Wednesday and found recording devices and drugs.
The investigation started after a female customer told police she saw a camera lens when she was tanning.
Martino Poli, 38, was arrested and charged with multiple crimes, including invasion of privacy, endangering the welfare of a child and possession of a controlled dangerous substance.
Poli's next hearing is scheduled for June 18.
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