They say this has been happening in Grimsby, West Lincoln and Lincoln, during March
If you own a trailer, Niagara regional police are asking you to be extra vigilant, as there's been a rise in thefts.
Police are looking into a number of robberies of trailers and snow mobiles, happening overnight in rural areas in Grimsby, West Lincoln and Lincoln.
Police say these criminals have been doing this between midnight and 6am, beginning this month.
The suspects appear to go to neighbourhoods, and check for unlocked trailer hitches.
Police are urging if anyone is missing a trailer, to call police, as this could help them find whoever is responsible.
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