Genoa Township police are warning residents to watch out for people selling door-to-door.
Police recently received several calls about vendors trying to sell magazines.
Officers stopped several young adults carrying homemade permits.
Police say all door-to-door vendors must register with Genoa Township.
If a salesperson knocks on your door, officers advise you ask to see their permit.
Officers say if anything looks suspicious close the door and call police.
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