A man and a woman were found to be carrying thousands of dollars of undeclared currency. They were traveling to the Dominican Republic when a U.S. Customs and Border Protection currency detector K9 alerted officers. The K9's alert led to the seizure of $19,000 in cash.

The travelers were attempting to leave from Philadelphia International Airport. The currency detector K9 played a key role in discovering the undeclared currency.

Further details about the incident are available from the source, including the circumstances surrounding the seizure and any potential consequences for the travelers.