Detective hat Pikachu will be available from Tuesday, May 7 at 1:00 PM Pacific time to Friday May 17 at 1:00 PM Pacific time. Basically, you can trigger a photobomb by taking pictures of any Poké ...

HOW TO CATCH DETECTIVE HAT PIKACHU IN POKEMON GO: ... Once ready, tap the camera icon to take your GO Snapshot. You can take multiple shots and they are saved to your device's memory.