Fort Lauderdale, Fla. — Two siblings from Tampa have been indicted over their involvement in an explosive device incident at MacDill Air Force Base. On March 16, a suspicious package triggered a major investigation by the FBI, especially since MacDill is crucial for U.S. military operations in the Middle East. Alen Zheng has fled to China, while his sister, Ann Mary Zheng, is in custody facing serious charges including witness tampering. This case highlights increasing security concerns around military bases amid regional conflicts.