Two people were caught with drugs Tuesday after St. Mary Parish Sheriff’s Office detectives stopped a speeding vehicle that was changing lanes without signaling in Berwick, Sheriff Mark Hebert said in a news release. —Dejon M. Francis, 25, of Egle Street in Morgan City, was arrested at 3:46 p.m. Tuesday on the charges of possession of marijuana, possession of methamphetamine with intent to distribute, possession of Vyvanse, possession of Xanax, possession of a Legend Drug without a prescription, obstruction of justice, failure to signal a lane change, speeding and no driver’s license. —Jerret C. Cortez, 28, of Vivian Street in Bayou L’Ourse,