21.   Soldiers installed bleachers and a bulletproof shield to protect Aristide outside the National Palace and swept downtown buildings for bombs with specially trained dogs.

22.   Specially trained dog walkers do it in packs.

23.   Specially trained hunting dogs have failed to sniff him out.

24.   Specially trained dogs, Dutch Shepards and Belgian Malinois, with their Air Force handlers, check every vehicle entering the base.

25.   The antiterrorism operations under Code Red mean that all private vehicles, trucks and buses may be inspected, sometimes by agents using trained dogs.

26.   The base, set in quiet woodlands, is tightly sealed by metal fencing and patrolled by Scottish police officers with heavy weapons and trained dogs.

27.   The agency also sent eight search and rescue teams, including engineers and trained dogs, to New York and four to the Pentagon.

28.   The entire state of Tamaulipas, they say with irritation, has only six trained dogs available for narcotics detection.

29.   The government held an emergency cabinet meeting and dispatched troops to search the rubble with specially trained dogs.

30.   The government sent troops, along with specially trained dogs to search through the rubble for hundreds of people who remain missing and are believed buried in the debris.