Audio log (Halo 3: ODST)

Audio Logs are sound files found at data terminals in Halo 3: ODST. They tell the story about a Kenyan girl called Sadie Endesha during the invasion of Earth in October 20, 2552. Unlocking Audio Logs will also unlock Supply Caches scattered trough the level Mombasa Streets. There are 30 logs in total. 29 can be found in Mombasa Streets while number 30 can only be found after acquiring the other 29. Number 30 can be found by following the police officer in Data Hive. There are four [http://halo.wikia.com/wiki/Halopedia:News/24_June_2009/Halo_3:_ODST_Achievements_Discovered! Halo 3: ODST Achievements] that require you to uncover a particular amount of Audio Logs in order to be unlocked.