Two men are behind bars following a traffic stop that led to the largest drug bust for the St. Tammany Parish Sheriff's Office.

The St. Tammany Parish Sheriff's Office says it seized 16,000 pills during a traffic stop - the largest seizure ever by the Sheriff's Office.

The St. Tammany sheriff said that the seizure of 16,000 fentanyl pills is the largest in the office’s history.

Canadian County Sheriff's deputies seized 36 kilograms of fentanyl during a traffic stop. According to CCSO, a deputy stopped a semi-truck that was failing to maintain a single lane on I-40. The semi-truck carried several luxury vehicles,