Basic EMT protocol is to never move a victim of trauma without first installing a cervical collar (neck brace). This is always done before placing victims on a backboard.
In the opening scene, one police officer and one firefighter move the 1984 Porsche 944 Coupe away from the telephone pole. This violates simple EMS protocol as the patient inside is not stabilized, and nearly impossible as the vehicle weighs nearly 3,000 lbs.
Jessica serves on a trial but there's no explanation as to where said trial is occurring. Trial jury pools are taken from registered voters in a given county; however, Jessica would only be eligible to serve on a jury in the county where Cabot Cove would be located, yet there's no indication of where the trial is actually happening.