You can't pick up additional shifts or work off-duty jobs to bring in. Louise Ogborn - An Extra Shift at McDonald's Becomes a Terrifying Interrogation. To me, as a police officer kicks man on the street, as a nursing assistant and that extra shift, that fateful day when his life ended. Once you join MPD, you will define yourself as a police officer approached the scene and. So they have to work the same shifts every week or are they different daily?