1.   In most cases, agents walk alongside the trains with dogs sniffing each car.

2.   Jeff Soulsby, a press secretary for Foley, said a police dog sniffed cars around a building where about a dozen members of Congress live.

3.   Police dogs sniffed the car for explosives but found nothing, according to a Daytona Beach Police report.

4.   Dogs were brought to sniff their car and police felt the lining of the doors and seats for any smuggled items.