I was given Scavenger trophy w/o earning it, and I wasn't given the Master of Unlocking trophy, even though I did earn it.
So, I was awarded the Scavenger trophy. https://www.facebook.com/photo.php?fbid=451460324996198&set=a.385552484920316.1073741825.100003967028359&type=1 The thing is, I didn't earn it. https://www.facebook.com/photo.php?fbid=451460244996206&set=a.385552484920316.1073741825.100003967028359&type=1 I still have four collectibles left to find. Also, I unlocked all of the shiv doors, but I wasn't awarded the Master of Unlocking trophy.