that same stuff happen to me pot but i was watching a movie and had some peanut butter cookies next to me with a joint on top of it i go to light the joint and it's gone. i start moving everying then 2 days later i do the same thing but i watch my cat she come's in and i see her run out i follow her to her bed, and my joint is there with a small peace of the joint left i grabbed my other one though and now i have to watch my cat because she's a theif