The Daytona Beach Police Department (DBPD) is the primary law enforcement agency for Daytona Beach, Florida. There are 241 sworn full-time police officers, 105 sworn part-time officers and 81 civilians on the force which is headed by Craig Capri who serves as the Chief.
According to Amtrak's website (select stations, then midwest) there are 40 Long-term Parking Spaces at Kirkwood. I don't have any experience with KWD, but I've left my car at various stations in IL and IA for a month at a time with no problem.
Parking is very safe at the Amtrak station. There is a main parking lot and also an overflow lot kitty-corner across the street. Amtrak made news here this past week. We will getting a new location for a station with a better/bigger building.