When Joann Moser's 8-year-old daughter complained that her 2-year-old brother was taking things from her room at night, Moser told her to just lock her bedroom door. Big sis did so, but things still went missing. As Moser recounted to HuffPost Parents, she and her husband found it hard to believe that their 2-year-old was able to take things from a locked room and set up a camera to solve the mystery. The resulting video, below, is both amazing and hilarious!
What's the sneakiest thing your child has ever done?