“It is Veritaserum — a Truth Potion so powerful that three drops would have you spilling your innermost secrets for this entire class to hear,” said Snape viciously. “Now, the use of this potion is controlled by very strict Ministry guidelines. But unless you watch your step, you might just find that my hand slips” — he shook the crystal bottle slightly — “right over your evening pumpkin juice. And then, Potter . . . then we’ll find out whether you’ve been in my office or not.”
Snape threatening to illegally drug Harry....Snape is a bad guy
