Harris County authorities have a warning for anyone owing money, Look out for debt scammers, warning that an increasing number of scammers are calling people, pretending to be law enforcement collecting debts.

Authorities say the caller will try to intimidate people saying if they don't pay up, they'll be tossed in jail. 

Investigators say the callers are so clever, they've figured out a way to make the Harris County Sheriff's Office phone number appear on Caller ID. Some scammers even claim to be Sheriff Adrian Garcia himself.

The Sheriff's Department says they will never call you for an unpaid debt.