The U.S. Coast Guard issued a Press Release stating that the U.S. Coast Guard evacuated its main building at Group Philadelphia after a suspicious package was discovered near the entrance and a person was seen leaving the parking lot at about 2 a.m. on the morning of December 30, 2003. The incident turned out to be a hoax. The Philadelphia Police, the FBI, and the USCG Investigative Service are investigating the incident.
Source: HK Law