Here is the full list of all 9 Falcon City achievements.
You opened Daisie's safe
You Hacked Into Daisie's Email
You gave Tanja the documents
You gave Jenny the documents
You successfully invited Tanja on a date!
You successfully invited Jenny on a date!
You got a key to Daisie's apartment.
You have successfully detected the crime and caught all the suspects!
You got to know all the characters in the game!