The bag had marijuana residue. He’s a dealer. His customers are on twitter. He had also been caught with women’s jewelry and a screwdriver. That smacks of burglary...the very thing Zimmerman was on patrol to prevent.
These are the same sort of school officials who imagine school teachers are too stupid to tell the difference between Bayer Aspirin and hard narcotics.
Regarding "EMPTY BAGS', they are empty or they are not. It was described as "empty'. This was supposedly in his book bag.