The Metropolitan Transportation Authority is warning Long Island Rail Road riders to watch out for fraud at ticket vending machines.
MTA police say they found card-skimming devices and tiny hidden cameras attached to the ticket machines at the Baldwin station last week.
They released pictures, seen above and at left, of what the devices might look like.
They say riders who bought tickets at the Baldwin station recently should check with their banks or credit card companies to make sure no money is missing.
Investigators are looking into the tampering at the Baldwin station and say they have identified a possible suspect.