achievement problems *spoilers*

[raptor2005]

i cannot seem to get some achievements for some reason, i cannot get the achievement when you go into cohens apartment and the research Phd even though i fully researched everything

here is the link to my achievements
Click (http://live.xbox.com/en-US/profile/Achievements/ViewAchievementDetails.aspx?tid=%09%5d%3bdh-o0%03%0f&compareTo=raptor2005)

any help is appreciated

[raptor2005]

ok, cohens room just took some searching and i found it but i still cant get the Phd one

[Vasco]

In order to get the Research PhD achievement you'll also need to photograph and research Turrets, Bots and Security Cameras.

[Techercizer]

Make sure you research turrents beyond the autohack reward, I made that mistake and I had to get it on my second play.