New details surrounding a Jacksonville mother’s arrest revealed that her three children were sitting in a tractor-trailer at a truck stop with a loaded gun for about an hour before law enforcement responded to the scene. According to the Riviera Beach Police Department (RBPD), at 1:38 p.m. on Monday, officers received a call from a truck stop that a tractor-trailer had been sitting at a gas pump for about three hours. Police say the driver allegedly refused to move the vehicle and leave.