Busting Halloween old wives' tales: tampered candy and marijuana

COLUMBUS, Ohio (WCMH) -- NBC4 Investigates is tackling some Halloween fears to make sure you are prepared, but not overly scared, for the spookiest night of the year.  

In just two days, the streets will be filled with little trick-or-treaters.  This is also the time of year when scary rumors go viral, but just how much truth is behind them?

Trick-or-treating safety: Find registered sex offenders in your area

There are two concerns that seem to go viral each year...