To get this achievement you need to collect the 8 rife artifacts scattered throughout the police station. If you follow the collectible guide then you should get this achievement through natural progression. The youtube video below is for ONLY the 8 items that you need to find.
*Note: the video provided is not mine and credited to redemption mode and his entire collectible guide can be found here
http://www.xboxachievements.com/forum/showthread.php?t=57876...