On May 26, an Atlanta Police Department K-9 dog alerted authorities to five suitcases that were unloaded from the flight and on their way to baggage claim, according to a news release from the department.Officers detained four people who each took at least one of the bags. A search of those suitcases confirmed that they each contained marijuana, police said.”Additionally, officers discovered two of the suspects each had an additional suitcase with them that also contained marijuana,” the release said.